But we do know that February has long been a month of romance. St. Valentine's Day, as we know it today, contains vestiges of both Christian and ancient Roman tradition. So, who was Saint Valentine and how did he become associated with this ancient rite? Today, the Catholic Church recognizes at least three different saints named Valentine or Valentinus, all of whom were martyred.February 14 is Valentine's Day. It is celebrated as a lovers' holiday today, with the giving of candy, flowers, or other gifts between couples in love. Valentine's Day has roots in several different legends that have found their way to us through the ages.In Rome it's said that it originated in 5th Century as a tribute to St. Valentine, a Catholic bishop.