Famous Deaths Jun 26 Nasir al-Din al-Tusi, Persian philosopher, architect and mathematician (Tadhkirah fi ʿilm al-hay) dies at 73 1273 History by Year 1275 What Happened in 1274 Spiderman! Web Feat Inspires Woebegone Warrior July 11, 1274 Letter from Kublai Khan to the Japanese Emperor October 5, 1274