6. St. Nicholas MonasteryStaraya Ladoga Saint George , was a Roman soldier of Greek origin and a member of the Praetorian Guard for Roman emperor Diocletian, who was sentenced to death for refusing to recant his Christian faith. He became one of the most venerated saints and megalo-martyrs in Christianity, and was especially venerated by the Crusaders. In hagiography, as one of the Fourteen Holy Helpers and one of the most prominent military saints, he is immortalised in the legend of Saint George and the Dragon. His memorial, Saint George's Day, is traditionally celebrated on 23 April. England, Georgia and several other nation states, cities, universities, professions and organisations all claim Saint George as their patron. From Wikipedia, the free encyclopedia.