Events

• May 31 - Battle of the Kalka River between the Mongol armies of Genghis Khan and East Slavic warriors.
• August 6 - Louis VIII is crowned King of France.
• Franciscan Rule is approved by Pope Honorius III.

Births

• John FitzAlan, 6th Earl of Arundel (died 1267)
• Baibars, Mamluk Sultan of Egypt and Syria (died 1277)
• Hugh le Despencer, 1st Baron le Despencer (died 1265)

Deaths

• March 8 - Wincenty Kadłubek, Polish bishop and historian (born 1161)
• March 25 - King Afonso II of Portugal (born 1185)
• July 14 - King Philip II of France (born 1165)
• Mstislav III of Kiev
• Giorgi IV Lasha, king of Georgia (born 1192)
• Unkei, Japanese sculptor (born 1151)

1223

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