Historical Events in 1223
- May 31 Mongol invasion of the Cumans: Battle of the Kalka River - Mongol armies of Genghis Khan lead by Subutai defeat Kievan Rus and Cumans
- Jul 14 Louis VIII becomes King of France upon the death of his father, Philip II
- Dec 25 St Francis of Assisi assembles 1st Nativity scene (Greccio, Italy)
World Leaders in 1223
Genghis Khan
Great Khan of the Mongol Empire
Genghis KhanFamous People Who Died in 1223
- Mar 8 Wincenty Kadłubek, Polish chronicler (b. 1161)
- Mar 25 Afonso II, 3rd King of Portugal (1211-23), dies at 36
- Jul 14 King Philip II of France (1180-1223) dies at 57