1236

- January 14 - Henry III of England marries Eleanor of Provence.

- May 6 - Roger of Wendover, Benedictine monk and chronicler of St Albans Abbey dies. His chronicle is continued by Matthew Paris.

- September 22 - Lithuanians and Semigallians beat Livonian Brothers of the Sword in Battle of Siauliai

- Volga Bulgaria is conquered by Mongol khan Batu.

- Córdoba was retaken for Christianity as part of the Reconquista in 1236, and became a centre of activity against the remaining Islamic population.

- Accession of Razia al-Din to the Sultanate of Delhi.