1228

Years: 1225 1226 1227 - 1228 - 1229 1230 1231
Decades: 1190s 1200s 1210s - 1220s - 1230s 1240s 1250s
Centuries: 12th century - 13th century - 14th century

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.