Valentine's Day is celebrated in many countries on February 14 as a festival of romance and affection. People send greeting cards called valentines to their sweethearts, friends, and members of their families. Many valentine cards have romantic verses, and others contain humorous pictures and sayings. Many say, 'Be my valentine.' Valentine's Day parties and dances are often held. Many people send flowers, chocolates, or some other gift to their wives, husbands, or sweethearts. The earliest records of Valentine's Day in English tell that birds chose their mates on that day. People used a different calendar before 1582, and February 14 came on what is now February 24. Research Valentine's Day