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February 14 is Valentine's Day. Although it is celebrated as a lovers' holiday today, with the giving of candy, flowers, or other gifts between couples in love, it originated in 5th Century Rome as a tribute to St. Valentine, a Catholic bishop.
The first Valentine card grew out of this practice. The first true Valentine card was sent in 1415 by Charles, duke of Orleans, to his wife. He was imprisoned in the Tower of London at the time.
Cupid, another symbol of the holiday, became associated with it because he was the son of Venus, the Roman god of love and beauty. Cupid often appears on Valentine cards.
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