Valentine's Day, also called Saint Valentine's Day or the Feast of Saint Valentine, is celebrated annually on February 14. Significance: Feast day of Saint Valentine; the celebration of love and affection It celebrates romantic love, making it a popular day for couples to spend together. Valentine's Day is traditionally associated with red hearts, romance, flowers, candy or other sweet things, and the exchange of cards, called valentines, that express love. Chocolate and roses are great gifts, but romantic books make great gifts as well. Give a book to your Valentine. Happy Valentine’s Day! And Happy reading!