In Ireland, February 29 is known as Bachelor's Day or Ladies Privilege, when, tradition has it, women can propose to men rather than waiting to be wooed. While some claim only a "Yes" answer is allowed, others say the man can decline, but must buy his admirer a gift.
In ancient Egypt, on the day for worshipping the Goddess Bastet, any woman was allowed to amorously approach any man. Many a young Egyptian lad lost his virginity on that day.