Valentine's Day, also called Saint Valentine's Day or the Feast of Saint Valentine, is celebrate?annually on February 14. It originated as a Christian feast day honoring one or two early Christian martyrs named Saint Valentine. During the Middle Ages, it was commonly believed in Franc??and Englan???????that February 14 was the beginning of birds?️mating season. later, that the day became associated with lov?❤️? Across the United State??and in other places around the world, cand? flower?and gifts are exchanged between loved ones, all in the name of St. Valentine.