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''Dates use the day of the [[Cylon Holocaust]] as a baseline. See also [[Survivor Count]], [[Original Series Timeline]].''
{{timeline series}}


==Ancient History==
This article plots the events which were shown or mentioned in the history of [[The Twelve Colonies of Kobol|the Twelve Colonies]] from the [[Re-imagined Series]] and [[Caprica (series)|Caprica]].
*'''-3600 Years:''' [[Pythia]] records her prophecies.
*'''-2000 Years:''' The thirteen tribes leave [[Kobol]]: twelve for the [[Cyrannus System]], the other for [[Earth]].


==Recent Colonial History==
By convention, all dates are relative to the [[Fall of the Twelve Colonies]]. Events before the Fall are marked as "BCH," or "Before Cylon holocaust". Given the few and somewhat contradictory dates about the Colonials' ancient history and the exodus from Kobol, that part of the timeline is speculative.
*'''-61 Years:''' [[William Adama]] born on [[Caprica]].
*'''-52 Years:''' [[Articles of Colonization]] signed.
*'''-50 Years:'''
**[[Saul Tigh]] born on [[Gemenon]].
**Cylon revolt begins the [[Cylon War]].
**The [[battlestar]] ''[[Galactica]]'' enters service under Commander [[Dash]].
*'''-40 Years:''' Armistice between the Colonials and the Cylons ends the [[Cylon War]].
*'''-34 Years:''' [[Dr. Gaius Baltar]] born on [[Caprica]].
*'''-20 Years:'''
**Last Colonial [[FTL]] jump beyond the [[Red Line]].
**[[Tom Zarek]] imprisoned for blowing up a government building on [[Sagittaron]].
**[[William Adama]] and [[Saul Tigh]] first meet.
*'''-3 Years:''' [[Gaeta]] assigned to ''[[Galactica]]''.
*'''-2 Years:'''
*[[Number Six]] first encounters [[Dr. Gaius Baltar]].
*A copy of [[Sharon Valerii|Sharon "Boomer" Valerii]] begins serving aboard the Battlestar ''Galactica''.
*'''Zero Hour:''' Cylons destroy the [[Twelve Colonies]]. The (so-far-known) only survivors are a rag-tag fugitive fleet escorted by the battlestar ''Galactica''; another, isolated, battlestar; and the [[Resistance (movement)|resistance]] on [[Caprica]]. Events of the [[Mini-Series]].


==Post-Holocaust==
The Cylon holocaust occurs more than 150,000 years ago.
*'''1 Day:''' Battle at [[Ragnar]]. ''Galactica'' fleet leaves [[Cyrannus]] System.
*'''6 Days:''' The ''Galactica'' finally loses the Cylon pursuers. Events of episode ''[[33]]''.
*'''10 Days:''' Events of episode "[[Water]]"
*'''12 Days:''' Tom Zarek engineers the capture of the ''[[Astral Queen]]'' by its prisoner crew. Events of episode ''[[Bastille Day]]''.
*'''14 Days:''' Events of episode "[[Act of Contrition]]"
*'''15 Days:''' Events of episode "[[You Can't Go Home Again]]"
*'''17 Days:''' Events of episode "[[Litmus]]"
*'''21 Days:''' First recollection by any ''[[Rising Star]]'' crewmembers of giving [[Ellen Tigh]] medical assistance ("about a week" before [[Tigh Me Up, Tigh Me Down]]).
*'''24 Days:''' [[Valerii%2C_Sharon#Caprica_Valerii|Caprica Boomer]] and [[Helo]] first make love. Events of episode "[[Six Degrees of Separation]]"
*'''25 Days:''' Events of episode "[[Flesh and Bone]]"
*'''26 Days:''' Ellen Tigh resumes consciousness ("a couple of days" before [[Tigh Me Up, Tigh Me Down]]).
*'''28 Days:''' Events of episode ''[[Tigh Me Up, Tigh Me Down]]''.
*'''36 Days:''' The ''Galactica'' launches an attack on a Cylon base to secure supplies of [[tylium]] ore for fuel. Caprica Boomer is pregnant and suffering morning sickness. Events of episode ''[[The Hand of God]]''.


==Ancient History==
:''See also: [[History of the Twelve Colonies]], [[Sacred_Scrolls#Analysis|Sacred Scrolls]]''
*'''Unspecified time period:''' Humans on the planet {{RDM|Kobol}} organize themselves into twelve tribes {{TRS|Miniseries}}. According to [[Sacred Scrolls|at least one scripture]], they "live in utopia with the gods." The humans become sufficiently advanced to establish viable space travel and artificial, robotic life. Artificial life-forms, machines similar in nature to the later day Cylons, are created by the humans. A war against the machines occurs. At one point the machines evolve and take humanoid form, either before, during or after the war.  This group of humanoid Cylons are later referred to in the Sacred Scrolls as the "[[Thirteenth Tribe (RDM)|Thirteenth Tribe]]," although said text does not specify that they were a tribe of Cylons {{TRS|Sometimes a Great Notion}}.
*'''Over 17,000 years BCH:''' A supernova creates the [[Ionian nebula]].
*'''ca. 4,000 years BCH:''' The Thirteenth Tribe reportedly leaves Kobol and builds the [[The Temple of Five|Temple of Hopes]] on [[Algae planet|another planet]] <ref name="kobol">Tyrol says that "Our initial radiocarbon dating suggests that the temple's at least 4,000 years old, which lines up with the exodus of the Thirteenth Tribe." {{TRS|The Eye of Jupiter}}. This is the oldest date noted in the series's timeline, but also conflicts with the prior date of Pythia and her works as described by [[Elosha]] in "[[Kobol's Last Gleaming, Part I]]," where she states that the exodus of '''all 13 tribes''' occurred approximately 2,000 years ago.</ref>  This contradicts [[Ellen Tigh]]'s statement that the temple was built 3,000 years ago {{TRS|No Exit}}. They pray for guidance and are shown the way to [[Earth (RDM)|Earth]], the planet they colonize.
*'''ca. 3,600 years BCH:''' [[Pythia]] records [[Sacred Scrolls#The Book of Pythia|her prophecies.]] Aside from reports of the landing on Earth and drawings of [[Temple of Aurora|temple]]s there, this book describes "the exile and rebirth of the human race" and a "dying leader" not making it to a "promised land," though how long before her writings that such events took place is not revealed.
*'''ca. 3,000 years BCH:''' A [[Lion's Head beacon|beacon]] is left at the [[Lion's Head Nebula]], later marking the way to Earth. At some undated point, someone travels from [[Earth (RDM)|Earth]] to Kobol, passing on information about Earth, including a map of its night sky <ref>Adama says that "According to Cottle, the [[Lymphocytic encephalitis|virus]] was an exact match to one reported over 3000 years ago, right around the time that the 13th colony left Kobol" {{TRS|A Measure of Salvation}}. This contradicts the two other dates of 2,000 and 4,000 years. While the dating is uncertain, it is the only clue to the beacon's age. That someone traveled back to Kobol is speculation, but an explanation for how Earth's sky could be displayed there. If true, it is still unknown on which of these two voyages the beacon was left behind.</ref>
*'''ca. 3,000 years to 2,000 years BCH:''' The humanoid Cylons of the Thirteenth Tribe prosper and begin to reproduce sexually. The technology of "[[Resurrection (RDM)|organic memory transfer]]," or downloading, is abandoned.
**The Thirteenth Tribe produce their own mechanical Centurions to act as laborers for their civilization.
*'''ca. 2,000 years BCH:'''  (''The order of events on Kobol and Earth is uncertain.'')
**[[Samuel Anders]], [[Tory Foster]], [[Ellen Tigh]], [[Saul Tigh]], and [[Galen Tyrol]], later collectively known as the "Final Five," are born on Earth.
**The Final Five work together in a research lab attempting to re-develop downloading technology.  The effort is spearheaded by Galen Tyrol and Ellen Tigh.
**All five Cylons receive visions of beings nobody else can see warning them of an impending rebellion by Earth's Centurion population.  The Final Five prepare a resurrection ship and leave it in orbit.
**The remaining Twelve Tribes leave Kobol and settle the [[Twelve Colonies of Kobol|Twelve Colonies]]<ref name="kobol"/>.
**Lord of Kobol "Athena" kills herself in despair over this. A [[Tomb of Athena|tomb]] is built for her containing a 3-D projection showing Earth and its Zodiac.  The projection is activated by the Arrow of Apollo, which travels with the twelve tribes.
**The Centurion uprising occurs and the Thirteenth Tribe exterminates itself in a nuclear holocaust.  Earth is left a nuclear wasteland.  The Final Five die in the attack, and are resurrected on board their orbiting ship.
**The Final Five begin a journey back to Kobol to find the other twelve tribes and inform them of Earth's fate. They are aware of the cyclical nature of history and believe that the twelve tribes will create Cylons again. They want to warn them to treat them right.  However, their ship is not equipped with a conventional FTL drive and journeys at relativistic sublight speeds.
*'''2,000 years to 52 years BCH:''' The Twelve Colonies grow and prosper. Each colony acts as a sovereign nation, complete with inter-colonial wars.
**The Final Five stop  at the Temple of Hopes as they retrace their tribe's path.
**The Final Five arrive at Kobol, finding the planet abandoned.  They continue on in pursuit of the twelve tribes, heading toward the colonies.


===[[Colonial Day]]===
==Recent Colonial History==
 
*'''Day 46:''' Delegates selected for the [[Quorum of Twelve]].  [[Tom Zarek]] selected to represent [[Sagittaron]]. Roslin implores Adama to permit his participation. [[Valance]] prepares to smuggle a ceramic stealth gun into [[Cloud Nine]]. Zarek addresses the fleet from the prison ship [[Astral Queen]]. Gaius Baltar selected to represent [[Caprica]]. Apollo and Starbuck inspect [[Cloud Nine]].
 
*'''Day 47 - Morning:''' Colonial Day. Delegates arrive on Cloud Nine. Roslin addresses the Quorum. Baltar eyes [[Playa Palacios]]. Zarek moves to elect a vice president and is nominated by [[Bagott, Marshall |Marshall Baggott]]. Motion passes, chair to remain open 72 hours for nominations.
 
*'''Day 47 - Afternoon:''' Roslin asks [[Wallace Grey]] to run for the vice presidency. Zarek expounds on his reform agenda. Valence scuffles with Apollo and Starbuck and is jailed. Helo and Caprica Boomer arrive at a spaceport in the vicinity of [[Delphi]].
 
*'''Day 47 - Evening:''' Starbuck and Apollo interrogate Valence to no effect.
 
*'''Day 48 - Morning:''' Grey addresses the Quorum. [[Safiya Sanne]] changes [[Picon]]'s vote to Zarek, bringing his total to 5 of 12.
 
*'''Day 48 - Afternoon:''' Zarek serves [[Ellen Tigh]] a drink and inquires after the whereabouts of Valence. Baltar interviewed by [[Macmanus, James|James Macmanus]]. Valence found dead. Tigh, Apollo and Starbuck consult with Roslin on security.
 
*'''Day 48 - Evening:''' Roslin travels to Cloud Nine and asks Grey to drop out of the race and recruits Baltar to replace him, interrupting his "exclusive" with Palacios. Apollo and Starbuck flirt in the bunk on [[Galactica]].
 
*'''Day 49 - Morning:''' Baltar elected Vice President, with Roslin casting the tie-breaking vote.
 
*'''Day 49 - Evening:''' Victory party for Baltar. Roslin dances with Adama, Ellen with Saul Tigh, Billy with Dualla, Starbuck with Apollo and Baltar.
 
*'''Day 49 - Night:''' Helo and Caprica Boomer infiltrate the spaceport. Helo discovers Boomer is a Cylon and flees.
 
''Note: Roslin states that the chair will remain open for nominations for 72 hours on the morning of Day 47, but the [[Kobol's Last Gleaming, Part II|next episode]] clearly takes place the day after the victory party, and is stated to take place on Day 50. Perhaps the Quorum moved to close the nomination period early after the nomination of a strong candidate.''
 
===[[Kobol's Last Gleaming, Part I]]===
*'''Day 50 - Early Morning:''' Apollo and Adama spar. Baltar and Starbuck have sex. Caprica Boomer catches up with Helo at [[Delphi]], and he shoots her. Galactica Boomer contemplates suicide. [[Cottle]] examines Roslin and gives her "six months, at the outside".
 
*'''Day 50 - Morning:''' Starbuck and an (already) drunken Baltar exchange innuendos over the officer's card game.


*'''Day 50 - Afternoon:''' Roslin briefs Baltar on her economic agenda. [[Six]] warns him that "it's not safe to remain on Galactica". Galactica Boomer and Crashdown stumble upon [[Kobol]]. Helo holds Caprica Boomer at gunpoint. Apollo and Starbuck exchange blows.
''The most recent history could also be dated using the [[Colonial calendar#The Calendar from Caprica|calendar from ''Caprica'']], but the method was not used in the re-imagined series and remained in the background even on the new show. Furthermore, it is not known whether the calendar is specific to the planet Caprica or common to the twelve worlds.


*'''Day 50 - Evening:''' Roslin examines an orbital photograph of Kobol and has a vision of the [[City of the Gods]]. Adama decides to send an expedition, which Baltar demands to accompany. Galactica Boomer shoots herself on Baltar's advice. In private, Roslin unsuccessfully petitions Adama to send the Cylon Raider after the [[Arrow of Apollo]] on [[Caprica]].
*'''At least 200 years BCH:''' Humans develop an immunity to the virus causing [[Lymphocytic encephalitis]] {{TRS|A Measure of Salvation}}. <ref>Doctor Cottle notes the time as "a couple hundred years ago," which is an indeterminate amount of time, but likely less than four or five hundred years.</ref>
*'''ca. 93 BCH:''' [[Tauron Civil War]] causes emigration of [[Joseph Adama|Joseph]] and [[Sam Adama]] to {{RDM|Caprica}} to live in an orphanage. Joseph later becomes a lawyer thanks to the education funded by the [[Ha'la'tha]] crime syndicate; Sam becomes an assassin for Ha'la'tha {{CAP|Pilot (Caprica)}}.
*'''69 years BCH:'''
**[[Saul Tigh]] supposedly born (defined by deleted scene in "[[Valley of Darkness]]" concerning the ''[[Brenik]]''). This is actually a fabrication by [[John Cavil]].  


*'''Day 50 - Night:''' At Kobol, the scout party is ambushed by a [[Cylon Basestar]]. Starbuck devises a plan to deliver a nuke to the Basestar using the captured [[Cylon Raider|Raider]] and [[IFF]] device. Roslin convinces her to purloin the Raider and take it to Caprica instead.
===First Cylon War===
:''See [[Timeline - Caprica (RDM)]]''


===[[Kobol's Last Gleaming, Part II]]===
*'''58—52 years BCH:''' With the use of a meta-cognitive processor stolen from Tauron rival [[Tomas Vergis]], the Caprican tech CEO [[Daniel Graystone]] creates the first [[Cylons (RDM)|Cylons]] of the Twelve Colonies to aid in hard labor and warfare. A virtual copy of his dead monotheist daughter [[Zoe Graystone]]'s consciousness is downloaded into one {{CAP|Pilot (Caprica)}}. Humanity is unaware that they are repeating the actions of their ancestors on Kobol.
*'''Day 51 - Early Morning:''' Survivors of [[Raptor 1]] escape the wreck. Baltar passes out. Adama terminates Roslin's presidency. Apollo and Tigh plan an assault on [[Colonial One]]. Adama dispatches the wounded Boomer to take out the Basestar. Caprica Boomer leads Helo to [[Delphi Museum of the Colonies]].
*'''ca. 58 BCH:'''
**[[William Adama]] born in [[Qualai]], {{RDM|Caprica}} {{TRS|Hero}}. He is named for his deceased older brother {{CAP|Apotheosis}}.
*{{inlineref|52 BCH|52 years BCH}}:'''
**Cylon revolt starts the first [[Cylon War]] {{TRS|Colonial Day}}.
**[[Articles of Colonization]] signed {{TRS|Colonial Day}}.<ref>From Ronald D. Moore's [http://blog.scifi.com/battlestar/archives/2005/04/index.html#a000025 scifi.com blog post] of April 11, 2005: "Colonial Day occurs every year and it is the anniversary of the founding of the "federal" system of government which was a relatively recent event. Before that time, the Colonies functioned more or less on their own, possibly with various attempts at alliances or even complete Colonial government over the centuries since the exodus from Kobol, none of which were successful. When the first Cylons were created, individual Colonies still warred against one another and it wasn't until the Cylon rebellion that the 12 Colonies finally came together in a permanent way. Presumably, the Articles of Colonization were not made up out of whole cloth, however, and there may well be principles and ideas of justice that date back to the original colonists."</ref>
*'''51 years BCH:''' Colonial ship ''[[Brenik]]'' is lost after a boarding action by [[Cylon Centurion Model 0005|Cylon Centurions]] ([[Valley of Darkness]], deleted scene).
*'''ca. 50 years BCH:''' Battlestar ''[[Galactica (TRS)|Galactica]]'' enters service.
*'''42 years BCH:'''
** William Adama begins his service in the Colonial Fleet as a [[Raptor]] pilot aboard ''[[Galactica (TRS)|Galactica]]'' with co-pilot and ECO [[Coker Fasjovik]], 10 years into the Cylon War ("Hero," ''[[Blood and Chrome]]''). He is later promoted to Lieutenant and is assigned his first Viper, a [[Mark III]], and a special task force comprised of top pilots for dangerous missions.
** Battlestar ''[[Archeron]]'' destroyed by Cylon forces in [[Sector 12]]. All hands lost {{TRS|Blood and Chrome}}.
** Battlestar ''[[Osiris]]'' destroyed over [[Djerba]] in suicide maneuver against lone Cylon Baseship. All hands lost. Fate of Lt. [[Jim Kirby]] (AWOL) unknown.
** [[Becca Kelly]] succeeds in her mission on Djerba, and is later killed by the Cylons. [[Ghost Fleet Offensive]] successful, decimating Cylon military holdings in five sectors.
** Mechanical Cylons begin experiments constructing humanoid forms of Cylon.
*'''42-41 years BCH''': [[Coker Fasjovik]] presumably musters out of Fleet after termination of second mandatory tour.
*'''40 years BCH:'''  
**Experiments on "humanoid" Cylons culminate in the creation of the [[First Hybrid]] and subsequent [[Hybrid]]s, but no fully humanoid forms.
**The Final Five arrive in the Twelve Colonies in the waning days of the war.
**The Five meet the local Cylons and negotiate an end to the war.  They will give the Cylons biological bodies complete with resurrection technology if the Cylons agree to end the war.
**[[Operation Raptor Talon]] conducted by the Colonial Fleet, where William Adama flies his first official Viper mission. Battlestar ''[[Columbia (RDM)|Columbia]]'' destroyed {{TRS|Razor Flashbacks}}.
**Armistice ends the [[Cylon War]]. Cylons exile themselves from the Twelve Colonies {{TRS|Miniseries}}. The First Hybrid and his [[Cylon Centurion Model 0005#Guardians|Guardians]] part company with the other Cylons.
**William Adama musters out of the Colonial Fleet ("[[Scattered]]," [[Sources:Adama's Dossier|Adama's dossier]]).


*'''Day 51 - Morning:''' Starbuck arrives at Caprica, retrieves the [[Arrow of Apollo]], kills a copy of [[Six]] and meets up with Helo. Galactica's marines board [[Colonial One]]. Apollo mutinies, Roslin stands down. Baltar has a vision of the shape of things to come. Galactica Boomer confronts other Boomers on the Basestar. She returns from her mission and shoots Adama.
===Inter-War Period===
*'''37 BCH:''' William Adama enlists as merchant marine and serves aboard inter-colony freighters ("Scattered," Adama's dossier).
*'''37 to ca. 30 BCH:'''
** The Cylons establish a secret base known as [[The Colony]], built around and connected with the original ship of the Final Five. This is the place where research and development equipment belonging to the Final Five is stored.
**The Final Five create [[John Cavil]], the first of the new humanoid Cylons that are their "children," and designate him model Number One. They raise him for some time.
**John matures and assists the Final Five in the creation of seven other humanoid Cylon models.  A resurrection system is built for the new models based on technology left over from the Thirteenth Tribe.
*'''ca. 30 BCH:'''
**Cavil murders model [[Number Seven]], Daniel, out of jealousy by poisoning the amniotic fluid in which the Seven copies were maturing. 
**The Final Five are murdered by Cavil and their consciousnesses are [[boxing|boxed]].
**Cavil erases all knowledge of the Final Five and the missing model Number Seven from his fellow humanoid Cylon models and specifically programs them not to think about either.
**[[Saul Tigh]] is resurrected and introduced to the colonies as a military officer with false history of fighting in the war.
** [[Ellen Tigh]] is resurrected and introduced into Colonial society sometime thereafter.
*'''ca. 28 BCH:'''
** [[Galen Tyrol]] supposedly born.<ref>At the time of the Cylon attack, Tyrol has "ten years experience" {{TRS|Miniseries}}, and has "served on battlestars since I was 18" {{TRS|Resistance (episode)}}. This puts his birth in approximately 28 BCH, allowing for a few years leeway with the first comment.</ref> This is actually a fabrication by [[John Cavil]].
** First meeting between William Adama and Saul Tigh ("Scattered," "[[Torn]]"). <ref>The podcast for "[[Scattered]]" places their meeting "twenty years ago". In "[[Torn]]," Adama states that he has known Tigh for 30 years. Furthermore, [[Sources:Adama's Dossier|Adama's dossier]] places his reinstatement into the Colonial Fleet at 23 BCH. ''Battlestar Wiki'' choses to use the more consistent dates.</ref>
*'''ca. 27 BCH:''' William and [[Carolanne Adama]] meet and marry. <ref name = "leezak">This date is assumed as follows: Zak died 2 BCH. Since he graduated from some kind of military academy, he would be at least 22 years old, following real world models. On a [[:Image:Youngadamafamily.jpg|photograph]] of William Adama with his sons, Lee seems to be about two years older than Zak. Adama and his wife probably met not long before Lee's birth.</ref>
*'''ca. 26 BCH:''' [[Lee Adama]] born. <ref name = "leezak"/>
*'''ca. 24 BCH:''' [[Zak Adama]] born. <ref name = "leezak"/>
*'''23 years BCH:''' William Adama reinstated in the Colonial Fleet at the rank of Captain and is assigned to the battlestar ''[[Universal]]'' <ref>[[:Image:William Adama's Reinstatement Letter.jpg|This information comes from a prop used in the episode "Scattered".]]</ref> ("Scattered" deleted scene, Adama's dossier).
*'''21 years BCH:''' Saul Tigh reinstated in the Colonial Fleet at the rank of Captain by now-Major Adama (Scattered). <ref>The time between Adama's and Tigh's reinstatement is not specified on screen. The February/March issue of ''Battlestar Galactica: The Official Magazine'' gives it as two years: "''Adama reenlisted with the service and Tigh spent two years drinking before Adama pulled strings to get him back into service.''"</ref> <ref>In actually, this is Saul Tigh's ''entrance'' into the Colonial Fleet, not his return, as he did not serve in the Cylon War and all documents of his service and retirement were forged by John Cavil.</ref>
*'''20 years BCH:'''
**Last significant [[FTL]] jump recorded in ''Galactica'''s logs (Miniseries).
**[[Tom Zarek]] imprisoned for blowing up a government building on [[Sagittaron]] {{TRS|Bastille Day}}.
*'''17 BCH:''' William Adama assigned to the battlestar ''[[Atlantia (RDM)|Atlantia]]'', where he makes his 1000th Viper landing (Adama's dossier, "[[Act of Contrition]]").
*'''13 years BCH:''' William Adama assigned as executive officer to the new battlestar ''[[Columbia (RDM)|Columbia]]'' (Adama's dossier).
*'''11 years BCH:''' [[Laura Roslin]] begins her career in politics {{TRS|Litmus}}.
*'''ca. 10 years BCH:''' Galen Tyrol enlists in the Colonial Fleet as a non-commissioned officer.<ref>At the time of the Cylon attack, Tyrol has "ten years experience" {{TRS|Miniseries}}. It is likely that Tyrol (and the two other remaining members of the Final Five, Samuel Anders and Tory Foster), was introduced into Colonial society at or around this point by [[John Cavil]] as part of his plan for revenge on his creators, human and Cylon alike {{TRS|No Exit}}.</ref>
*'''9 years BCH:''' William Adama promoted to commander and assigned as commander of the battlestar ''[[Valkyrie]]'' (Adama's dossier, "Hero").
*'''7 years BCH:''' Saul and [[Ellen Tigh]] meet and marry again, unaware that it is the second time ("[[Kobol's Last Gleaming, Part I]]," [[List of Deleted Scenes (RDM)#Kobol's Last Gleaming, Part I|deleted scene]]).
*{{inlineref|6 BCH|6 years BCH}}: William Adama leads an aborted covert intelligence mission aboard ''Valkyrie''. [[Daniel Novacek]] is shot down and captured by the Cylons. Adama and Tigh are subsequently assigned to ''Galactica'' (Adama's dossier, "Hero"). <ref name="hero">While dialogue from "[[Hero]]" places these events at 1 BCH, this contradicts previously established dates about the time Adama and others served on ''Galactica''. See [[Hero#Analysis]] for a detailed explanation why ''Battlestar Wiki'' chooses to treat this as a continuity error and change the date.</ref>
*'''5 years BCH:'''
**[[Laura Roslin]]'s last breast exam prior to her cancer diagnosis {{TRS|Act of Contrition}}.
**Galen Tyrol assigned to ''Galactica'' {{TRS|Litmus}}. <ref>Since Adama states that Tyrol has been under his commander for "over five years," this might also be one year earlier.</ref>
*'''4 years BCH:'''
**[[Kara Thrace]] graduates from the Colonial Fleet Academy {{TRS|Maelstrom}}.
**[[Socrata Thrace]] dies of stomach cancer (Maelstrom).
*'''3 years BCH:''' [[Felix Gaeta]] assigned to ''Galactica'' (Miniseries).
*{{inlineref|2 BCH|2 years BCH}}:
**[[Caprica-Six]] begins residence on Caprica {{TRS|Downloaded}}, first encounters Dr. [[Gaius Baltar]] (Miniseries).
**[[Sharon Valerii]] begins service aboard ''Galactica'' {{TRS|The Farm}}.
**Zak Adama dies in a flight school accident (Miniseries).
**Lt. [[Kara Thrace]] is re-assigned from flight school to ''Galactica'' {{TRS|Act of Contrition}}.
*'''1 Year BCH:'''
**Last time William and Carolanne Adama speak (Miniseries).
**Carolanne Adama gets engaged (Miniseries).
**[[Anastasia Dualla]] last visits her home {{TRS|Final Cut}}.
*'''Between 5 and 1 Year BCH:'''
**''The following events are all seen in "[[Daybreak, Part I]]" and "[[Daybreak, Part II|Part II]]" but are not dated.  However, they fall within this approximate time frame.''
**[[Laura Roslin]]'s father and sisters are killed by a drunk driver.
**[[Kara Thrace]] and [[Lee Adama]] first meet.
**[[Caprica-Six]] finds [[Julius Baltar]] a new home in a retirement center which encourages horticultural activities.
**[[William Adama]] ponders retirement at a security firm but rejects the job in disgust when forced to take a polygraph test.
***[[Saul Tigh|Saul]] and [[Ellen Tigh]] celebrate his (and their own) supposed retirement.
**[[Sharon Valerii]] nearly washes out of the Colonial Fleet, but is given a second chance by Commander Adama.  She promises to pay him back for his kindness.
**[[Laura Roslin]] joins [[Richard Adar]]'s presidential campaign.
**[[Gaius Baltar]] promises [[Caprica-Six]] full access to the Colonial Defense Mainframe if she helps him work on the [[Command Navigation Program]].


===[[Scattered]]===
== 1 ACH ==
*'''Day 51 - Morning:''' A [[Cylon Basestar]] ambushes the fleet, which jumps to an emergency rendezvous point. Galactica jumps to the wrong coordinates and is forced to backtrack. Tigh paroles Apollo to lead the defense fighters. Tigh interrogates Galactica Boomer. While under fire from the Basestar, a [[Cylon Heavy Raider|Heavy Raider]] crashes into the starboard flight pod. Starbuck tries to shoot Caprica Boomer, but Helo restrains her. Boomer steals Starbuck's [[Cylon Raider]]. The survivors on Kobol take cover in a nearby forest. [[Socinus]] develops pulmonary edema. [[Crashdown]] sends [[Tyrol]], [[Tarn]] and [[Cally]] after a medical kit left at the crash site. [[Tarn]] is gunned down by Cylon ground forces on his return.
1 ACH (After Colonial Holocaust) denotes a period of 365 days, the epoch of which is the [[Fall of the Twelve Colonies]]. The events of this time period correspond to the majority of Season 1 and Season 2, in addition to:


===[[Valley of Darkness]]===
=== Return of the [[Miniseries|Cylons]] ===
*'''Day 51'''
*{{inlineref|0 BCH|Zero Hour}}:
**The Cylon fleet gathers at a staging area close to [[The Colony]] {{TRS|The Plan}}.
**John Cavil makes his final preparations for the impending assault and visits a sealed-off resurrection chamber housing deactivated copies of the [[Final Five]] {{TRS|The Plan}}.
**The [[Armistice Station]] is destroyed by [[Cylons (RDM)|Cylon]] forces, appear, and show themselves, (albeit in a more advanced form, as well as a humanoid version) for the first time in 40 years {{TRS|Miniseries, Night 1}}.
**[[Laura Roslin]] is diagnosed with inoperable breast cancer {{TRS|Miniseries, Night 1}}.
**''[[Galactica (TRS)|Galactica]]'' is decommissioned {{TRS|The Plan|Miniseries, Night 1}}.
**''[[Pegasus (RDM)|Pegasus]]'' undergoes refit while [[Kendra Shaw]] is assigned to the ship from the [[Ministry of Defense]] {{TRS|Razor}}.
**A Cavil meets with [[Caprica-Six]], who gives him the access codes to the Colonial Defence Mainframe {{TRS|The Plan|Miniseries, Night 1}}.
**The Cylon strike force simultaneously jumps into orbit around all the Twelve Colonies and commences an all-out attack {{TRS|The Plan}}, using strategic nuclear bombardment {{TRS|Miniseries, Night 1}}.
**[[Picon (RDM)|Picon]] [[Fleet Headquarters]] is destroyed {{TRS|Miniseries, Night 1}}.
**[[Ellen Tigh]] is placed aboard Raptor from the medical ship ''[[Rising Star]]'' by [[John Cavil]] shortly before it escapes the destruction of Picon {{TRS|The Plan|Tigh Me Up, Tigh Me Down|No Exit}}.
**''Galactica''{{'|s}} last [[Viper Mark VII]] squadron is destroyed {{TRS|Miniseries, Night 1}}.
**A battle near [[Virgon (RDM)|Virgon]] ends with the total loss of the remaining Colonial Fleet including the flagship ''[[Atlantia (RDM)|Atlantia]]'' {{TRS|Miniseries, Night 1}}.
**The [[Mercury class battlestar|battlestar]] ''[[Pegasus (RDM)|Pegasus]]'' luckily escapes the destruction of the [[Scorpion Fleet Shipyards]] {{TRS|The Plan|Razor|Pegasus}}.
**The Cylons begin landing ground forces on the Colonies {{TRS|The Plan|33}}.
**''Galactica'' engages [[Cylon Raider (RDM)|Cylon Raider]]s and survives with moderate damage and 85 dead {{TRS|Miniseries, Night 1}}.
**Last transmission from the Colonies received by Laura Roslin aboard ''[[Colonial Heavy 798]]'' from a [[Jack|fellow secretary]] {{TRS|Miniseries, Night 1}}.
**[[Case Orange]] contingency mechanism assigns Roslin the office of the President of the Twelve Colonies {{TRS|Miniseries, Night 1}}.
**Roslin gathers stranded civilian and military ships in the vicinity of {{RDM|Caprica}} {{TRS|Miniseries, Night 1}}.
**Commander [[William Adama|Adama]] assumes overall Fleet command and orders regroup at [[Ragnar Anchorage]] {{TRS|Miniseries, Night 1}}.
**Roslin's fleet survives two Cylon attacks and meets at Ragnar {{TRS|Miniseries, Night 2}}.
**''Galactica'' changes from battle stance to civilian protection, and escorts the civilian fleet from Ragnar towards the [[Prolmar Sector]] {{TRS|Miniseries, Night 2}}.
**The Twelve Colonies of Kobol lie in irradiated ruins.  Their military has been utterly defeated and their infrastructure has been crushed.  The result of the engagement is a complete victory for the Cylon forces {{TRS|Miniseries, Night 2|The Plan}}.
**The Cylon occupation of the Colonies begins {{TRS|33|Downloaded|The Plan}}.


===[[Fragged]]===
=== Season 1 ===
*'''Day 51'''
:''See [[Timeline - Season 1 (RDM)]]''


===[[Resistance]]===
=== Season 2 ===
*'''Day 54''' (est. see [[Resistance#Notes|notes]])
:''See [[Timeline - Season 2 (RDM)]]''


===[[The Farm]]===
== 2 ACH to 3 ACH ==
*'''Day 61''' (est. see [[The Farm#Notes|notes]])
The "one year time jump" depicted at the end of the {{TRS|Lay Down Your Burdens, Part II|prose=yes}} occurs during 2 ACH, beginning with the Cylon invasion of [[New Caprica]] as a result of [[Gina Inviere]]'s ''[[Cloud 9]]'' explosion, forcing the subsequent retreat of the last two [[Battlestar (RDM)|battlestars]], [[Galactica (TRS)|''Galactica'']] and [[Pegasus (RDM)|''Pegasus'']].


===[[Home, Part I]]===
=== Season 3 ===
*'''Day 61''' (est. see [[Home, Part I#Notes|notes]])
:''See [[Timeline - Season 3 (RDM)]]''


===[[Home, Part II]]===
== 3 ACH to 4 ACH ==
*'''Day 62-63''' (est.): [[Raptor 1]] lands on Kobol with [[William Adama]] and his contingent.  [[Tomb of Athena]] found.
*'''Day 64-70''' (est.): Roslin reestablished as lawful President; martial law ends. Fleet reunification.


===Future Events===
=== Season 4 ===
:''See [[Timeline - Season 4 (RDM)]]''


*'''Day 12 + 7 Months (c. Day 222):''' Elections due for President of the [[Twelve Colonies]] ([[Bastille Day]]).
== References ==
*'''Day 50 + 6 Months (c. Day 230):''' Roslin's maximum life expectancy ([[Kobol's Last Gleaming, Part I]]).
{{reflist}}
**Roslin promised to get the fleet to [[Earth]] before her death '''(c. Day 230)''' ("[[Fragged]]").
*'''Day 24 + 9 Months (c. Day 294):''' "Caprica" [[Sharon Valerii]]'s daughter born. (see [[#Notes|Notes]] below)
*'''Day 36 + 3 years (c. Day 1131):''' Fleet runs out of [[tylium]] fuel that was resupplied from the Cylon asteroid mine; assuming that no other sources have been found before this date. ([[The Hand of God]])


=== Notes ===


*The above day listings do not take into account the possibility of the "[[Wikipedia:leap year|leap year]]", which occurs on Earth every four years.  The Colonials may or may not have anything similar.
[[Category:A to Z]]
*Each month is estimated to be around 30 days. (365 divided by 12.)
[[Category:Behind the Scenes]]
*The date of Valerii and Agathon's child is speculated, assuming that the [[Humano-Cylon]]s share the same gestation period that humans do, and that the birth of their hybrid daughter is not [[Wikipedia:premature birth|premature]].
[[Category:Colonial History]]
[[Category:RDM]]


[[Category:A to Z]] [[Category:RDM]] [[Category:Colonial History|*]] [[Category:Behind the Scenes]]
[[de:Zeitlinie]]
[[fr:Chronologie (RDM)]]

Latest revision as of 17:39, 24 February 2024

Part of the series on
Timelines of the Battlestar Galactica series


This article plots the events which were shown or mentioned in the history of the Twelve Colonies from the Re-imagined Series and Caprica.

By convention, all dates are relative to the Fall of the Twelve Colonies. Events before the Fall are marked as "BCH," or "Before Cylon holocaust". Given the few and somewhat contradictory dates about the Colonials' ancient history and the exodus from Kobol, that part of the timeline is speculative.

The Cylon holocaust occurs more than 150,000 years ago.

Ancient History

See also: History of the Twelve Colonies, Sacred Scrolls
  • Unspecified time period: Humans on the planet Kobol organize themselves into twelve tribes (TRS: "Miniseries"). According to at least one scripture, they "live in utopia with the gods." The humans become sufficiently advanced to establish viable space travel and artificial, robotic life. Artificial life-forms, machines similar in nature to the later day Cylons, are created by the humans. A war against the machines occurs. At one point the machines evolve and take humanoid form, either before, during or after the war. This group of humanoid Cylons are later referred to in the Sacred Scrolls as the "Thirteenth Tribe," although said text does not specify that they were a tribe of Cylons (TRS: "Sometimes a Great Notion").
  • Over 17,000 years BCH: A supernova creates the Ionian nebula.
  • ca. 4,000 years BCH: The Thirteenth Tribe reportedly leaves Kobol and builds the Temple of Hopes on another planet [1] This contradicts Ellen Tigh's statement that the temple was built 3,000 years ago (TRS: "No Exit"). They pray for guidance and are shown the way to Earth, the planet they colonize.
  • ca. 3,600 years BCH: Pythia records her prophecies. Aside from reports of the landing on Earth and drawings of temples there, this book describes "the exile and rebirth of the human race" and a "dying leader" not making it to a "promised land," though how long before her writings that such events took place is not revealed.
  • ca. 3,000 years BCH: A beacon is left at the Lion's Head Nebula, later marking the way to Earth. At some undated point, someone travels from Earth to Kobol, passing on information about Earth, including a map of its night sky [2]
  • ca. 3,000 years to 2,000 years BCH: The humanoid Cylons of the Thirteenth Tribe prosper and begin to reproduce sexually. The technology of "organic memory transfer," or downloading, is abandoned.
    • The Thirteenth Tribe produce their own mechanical Centurions to act as laborers for their civilization.
  • ca. 2,000 years BCH: (The order of events on Kobol and Earth is uncertain.)
    • Samuel Anders, Tory Foster, Ellen Tigh, Saul Tigh, and Galen Tyrol, later collectively known as the "Final Five," are born on Earth.
    • The Final Five work together in a research lab attempting to re-develop downloading technology. The effort is spearheaded by Galen Tyrol and Ellen Tigh.
    • All five Cylons receive visions of beings nobody else can see warning them of an impending rebellion by Earth's Centurion population. The Final Five prepare a resurrection ship and leave it in orbit.
    • The remaining Twelve Tribes leave Kobol and settle the Twelve Colonies[1].
    • Lord of Kobol "Athena" kills herself in despair over this. A tomb is built for her containing a 3-D projection showing Earth and its Zodiac. The projection is activated by the Arrow of Apollo, which travels with the twelve tribes.
    • The Centurion uprising occurs and the Thirteenth Tribe exterminates itself in a nuclear holocaust. Earth is left a nuclear wasteland. The Final Five die in the attack, and are resurrected on board their orbiting ship.
    • The Final Five begin a journey back to Kobol to find the other twelve tribes and inform them of Earth's fate. They are aware of the cyclical nature of history and believe that the twelve tribes will create Cylons again. They want to warn them to treat them right. However, their ship is not equipped with a conventional FTL drive and journeys at relativistic sublight speeds.
  • 2,000 years to 52 years BCH: The Twelve Colonies grow and prosper. Each colony acts as a sovereign nation, complete with inter-colonial wars.
    • The Final Five stop at the Temple of Hopes as they retrace their tribe's path.
    • The Final Five arrive at Kobol, finding the planet abandoned. They continue on in pursuit of the twelve tribes, heading toward the colonies.

Recent Colonial History

The most recent history could also be dated using the calendar from Caprica, but the method was not used in the re-imagined series and remained in the background even on the new show. Furthermore, it is not known whether the calendar is specific to the planet Caprica or common to the twelve worlds.

First Cylon War

See Timeline - Caprica (RDM)
  • 58—52 years BCH: With the use of a meta-cognitive processor stolen from Tauron rival Tomas Vergis, the Caprican tech CEO Daniel Graystone creates the first Cylons of the Twelve Colonies to aid in hard labor and warfare. A virtual copy of his dead monotheist daughter Zoe Graystone's consciousness is downloaded into one (CAP: "Pilot"). Humanity is unaware that they are repeating the actions of their ancestors on Kobol.
  • ca. 58 BCH:
  • 52 years BCH:
  • 51 years BCH: Colonial ship Brenik is lost after a boarding action by Cylon Centurions (Valley of Darkness, deleted scene).
  • ca. 50 years BCH: Battlestar Galactica enters service.
  • 42 years BCH:
    • William Adama begins his service in the Colonial Fleet as a Raptor pilot aboard Galactica with co-pilot and ECO Coker Fasjovik, 10 years into the Cylon War ("Hero," Blood and Chrome). He is later promoted to Lieutenant and is assigned his first Viper, a Mark III, and a special task force comprised of top pilots for dangerous missions.
    • Battlestar Archeron destroyed by Cylon forces in Sector 12. All hands lost (TRS: "Blood and Chrome").
    • Battlestar Osiris destroyed over Djerba in suicide maneuver against lone Cylon Baseship. All hands lost. Fate of Lt. Jim Kirby (AWOL) unknown.
    • Becca Kelly succeeds in her mission on Djerba, and is later killed by the Cylons. Ghost Fleet Offensive successful, decimating Cylon military holdings in five sectors.
    • Mechanical Cylons begin experiments constructing humanoid forms of Cylon.
  • 42-41 years BCH: Coker Fasjovik presumably musters out of Fleet after termination of second mandatory tour.
  • 40 years BCH:
    • Experiments on "humanoid" Cylons culminate in the creation of the First Hybrid and subsequent Hybrids, but no fully humanoid forms.
    • The Final Five arrive in the Twelve Colonies in the waning days of the war.
    • The Five meet the local Cylons and negotiate an end to the war. They will give the Cylons biological bodies complete with resurrection technology if the Cylons agree to end the war.
    • Operation Raptor Talon conducted by the Colonial Fleet, where William Adama flies his first official Viper mission. Battlestar Columbia destroyed (TRS: "Razor Flashbacks").
    • Armistice ends the Cylon War. Cylons exile themselves from the Twelve Colonies (TRS: "Miniseries"). The First Hybrid and his Guardians part company with the other Cylons.
    • William Adama musters out of the Colonial Fleet ("Scattered," Adama's dossier).

Inter-War Period

  • 37 BCH: William Adama enlists as merchant marine and serves aboard inter-colony freighters ("Scattered," Adama's dossier).
  • 37 to ca. 30 BCH:
    • The Cylons establish a secret base known as The Colony, built around and connected with the original ship of the Final Five. This is the place where research and development equipment belonging to the Final Five is stored.
    • The Final Five create John Cavil, the first of the new humanoid Cylons that are their "children," and designate him model Number One. They raise him for some time.
    • John matures and assists the Final Five in the creation of seven other humanoid Cylon models. A resurrection system is built for the new models based on technology left over from the Thirteenth Tribe.
  • ca. 30 BCH:
    • Cavil murders model Number Seven, Daniel, out of jealousy by poisoning the amniotic fluid in which the Seven copies were maturing.
    • The Final Five are murdered by Cavil and their consciousnesses are boxed.
    • Cavil erases all knowledge of the Final Five and the missing model Number Seven from his fellow humanoid Cylon models and specifically programs them not to think about either.
    • Saul Tigh is resurrected and introduced to the colonies as a military officer with false history of fighting in the war.
    • Ellen Tigh is resurrected and introduced into Colonial society sometime thereafter.
  • ca. 28 BCH:
  • ca. 27 BCH: William and Carolanne Adama meet and marry. [7]
  • ca. 26 BCH: Lee Adama born. [7]
  • ca. 24 BCH: Zak Adama born. [7]
  • 23 years BCH: William Adama reinstated in the Colonial Fleet at the rank of Captain and is assigned to the battlestar Universal [8] ("Scattered" deleted scene, Adama's dossier).
  • 21 years BCH: Saul Tigh reinstated in the Colonial Fleet at the rank of Captain by now-Major Adama (Scattered). [9] [10]
  • 20 years BCH:
  • 17 BCH: William Adama assigned to the battlestar Atlantia, where he makes his 1000th Viper landing (Adama's dossier, "Act of Contrition").
  • 13 years BCH: William Adama assigned as executive officer to the new battlestar Columbia (Adama's dossier).
  • 11 years BCH: Laura Roslin begins her career in politics (TRS: "Litmus").
  • ca. 10 years BCH: Galen Tyrol enlists in the Colonial Fleet as a non-commissioned officer.[11]
  • 9 years BCH: William Adama promoted to commander and assigned as commander of the battlestar Valkyrie (Adama's dossier, "Hero").
  • 7 years BCH: Saul and Ellen Tigh meet and marry again, unaware that it is the second time ("Kobol's Last Gleaming, Part I," deleted scene).
  • 6 years BCH: William Adama leads an aborted covert intelligence mission aboard Valkyrie. Daniel Novacek is shot down and captured by the Cylons. Adama and Tigh are subsequently assigned to Galactica (Adama's dossier, "Hero"). [12]
  • 5 years BCH:
  • 4 years BCH:
  • 3 years BCH: Felix Gaeta assigned to Galactica (Miniseries).
  • 2 years BCH:
  • 1 Year BCH:
    • Last time William and Carolanne Adama speak (Miniseries).
    • Carolanne Adama gets engaged (Miniseries).
    • Anastasia Dualla last visits her home (TRS: "Final Cut").
  • Between 5 and 1 Year BCH:

1 ACH

1 ACH (After Colonial Holocaust) denotes a period of 365 days, the epoch of which is the Fall of the Twelve Colonies. The events of this time period correspond to the majority of Season 1 and Season 2, in addition to:

Return of the Cylons

Season 1

See Timeline - Season 1 (RDM)

Season 2

See Timeline - Season 2 (RDM)

2 ACH to 3 ACH

The "one year time jump" depicted at the end of the Re-imagined Series' "Lay Down Your Burdens, Part II" occurs during 2 ACH, beginning with the Cylon invasion of New Caprica as a result of Gina Inviere's Cloud 9 explosion, forcing the subsequent retreat of the last two battlestars, Galactica and Pegasus.

Season 3

See Timeline - Season 3 (RDM)

3 ACH to 4 ACH

Season 4

See Timeline - Season 4 (RDM)

References

  1. 1.0 1.1 Tyrol says that "Our initial radiocarbon dating suggests that the temple's at least 4,000 years old, which lines up with the exodus of the Thirteenth Tribe." (TRS: "The Eye of Jupiter"). This is the oldest date noted in the series's timeline, but also conflicts with the prior date of Pythia and her works as described by Elosha in "Kobol's Last Gleaming, Part I," where she states that the exodus of all 13 tribes occurred approximately 2,000 years ago.
  2. Adama says that "According to Cottle, the virus was an exact match to one reported over 3000 years ago, right around the time that the 13th colony left Kobol" (TRS: "A Measure of Salvation"). This contradicts the two other dates of 2,000 and 4,000 years. While the dating is uncertain, it is the only clue to the beacon's age. That someone traveled back to Kobol is speculation, but an explanation for how Earth's sky could be displayed there. If true, it is still unknown on which of these two voyages the beacon was left behind.
  3. Doctor Cottle notes the time as "a couple hundred years ago," which is an indeterminate amount of time, but likely less than four or five hundred years.
  4. From Ronald D. Moore's scifi.com blog post of April 11, 2005: "Colonial Day occurs every year and it is the anniversary of the founding of the "federal" system of government which was a relatively recent event. Before that time, the Colonies functioned more or less on their own, possibly with various attempts at alliances or even complete Colonial government over the centuries since the exodus from Kobol, none of which were successful. When the first Cylons were created, individual Colonies still warred against one another and it wasn't until the Cylon rebellion that the 12 Colonies finally came together in a permanent way. Presumably, the Articles of Colonization were not made up out of whole cloth, however, and there may well be principles and ideas of justice that date back to the original colonists."
  5. At the time of the Cylon attack, Tyrol has "ten years experience" (TRS: "Miniseries"), and has "served on battlestars since I was 18" (TRS: "Resistance"). This puts his birth in approximately 28 BCH, allowing for a few years leeway with the first comment.
  6. The podcast for "Scattered" places their meeting "twenty years ago". In "Torn," Adama states that he has known Tigh for 30 years. Furthermore, Adama's dossier places his reinstatement into the Colonial Fleet at 23 BCH. Battlestar Wiki choses to use the more consistent dates.
  7. 7.0 7.1 7.2 This date is assumed as follows: Zak died 2 BCH. Since he graduated from some kind of military academy, he would be at least 22 years old, following real world models. On a photograph of William Adama with his sons, Lee seems to be about two years older than Zak. Adama and his wife probably met not long before Lee's birth.
  8. This information comes from a prop used in the episode "Scattered".
  9. The time between Adama's and Tigh's reinstatement is not specified on screen. The February/March issue of Battlestar Galactica: The Official Magazine gives it as two years: "Adama reenlisted with the service and Tigh spent two years drinking before Adama pulled strings to get him back into service."
  10. In actually, this is Saul Tigh's entrance into the Colonial Fleet, not his return, as he did not serve in the Cylon War and all documents of his service and retirement were forged by John Cavil.
  11. At the time of the Cylon attack, Tyrol has "ten years experience" (TRS: "Miniseries"). It is likely that Tyrol (and the two other remaining members of the Final Five, Samuel Anders and Tory Foster), was introduced into Colonial society at or around this point by John Cavil as part of his plan for revenge on his creators, human and Cylon alike (TRS: "No Exit").
  12. While dialogue from "Hero" places these events at 1 BCH, this contradicts previously established dates about the time Adama and others served on Galactica. See Hero#Analysis for a detailed explanation why Battlestar Wiki chooses to treat this as a continuity error and change the date.
  13. Since Adama states that Tyrol has been under his commander for "over five years," this might also be one year earlier.