May 31 Battle of the Kalka River: Mongol force led by Jebei and Subedei defeat a Russian alliance, after feigning their retreat, leading to the death of 20,000 Russians Jul 14 Louis VIII becomes King of France upon the death of his father, Philip II St Francis' First Nativity Dec 25 St Francis of Assisi assembles 1st Nativity scene (Greccio, Italy) Catholic Friar, Preacher and Saint Francis of Assisi 1222 Historical Events by Year 1224 Medieval Popes Gregory I Gregory XIII Julius II Julius III Leo X Pius V