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Eros Day was a holiday in the Twelve Colonies of Kobol. It was a celebration of love and affection, likely named in honor of one of the Lords of Kobol.
58 years before the Fall, several notable events happened on the colonial world Caprica on the eve of Eros Day celebrations, including a terrorist bombing, the attempted suicide of renowned surgeon Amanda Graystone, and the first killing of a human being by a Cylon (CAP: "End of Line"). According to CAP News, sales for the holiday reached a new high (CAP: "Unvanquished").
- Eros Day is the Colonial version of the real-world Valentine's Day.