1228

Events

• The Sixth Crusade is launched by Frederick II, Holy Roman Emperor, after delays due to sickness and an excommunication from Pope Gregory IX.
• Conrad IV of Germany becomes titular King of Jerusalem, with Frederick II as regent.
• Baldwin II becomes emperor of the Latin Empire in Constantinople, with John of Brienne as regent.
• Amadeus IV becomes count of Savoy.
• Saint Francis of Assisi is canonized by Pope Gregory IX.
• Sukaphaa, the first Ahom king, establishes his rule in Assam. The Ahom kings reign for close to 600 years.
• The Transylvanian town of Reghin is first mentioned in a charter of Andrew II of Hungary.
• Abu Zakariya founds the Hafsid dynasty in Ifriqiyah (near Tunis).
• King James I of Aragon decides to launch a major offensive against the Muslims in Majorca.

Births

• April 25 - Conrad IV of Germany (d. 1254)
• William II, Count of Holland

Deaths

• July 9 - Stephen Langton, Archbishop of Canterbury
• Aedh mac Cathal Crobdearg Ua Conchobair, King of Connacht
• Robert of Courtenay, emperor of the Latin Empire
• Queen Yolande of Jerusalem (b. 1212)af:1228

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