Death of Ghengis Khan; his four sons divide the empire between them.
1228. Death of Langton, Archbishop of Canterbury; his successor, Edmund, preserves Magna Charta from being infringed.
1229. Terms fatal to the Albigenses are accepted by Raymond VII of Toulouse.
Frederick II again departs for Palestine. See "THE SIXTH CRUSADE," vi, 208.
1230. Reconciliation of Emperor Frederick II and Pope Gregory IX. First arrival of the Teutonic Knights in Prussia.
Theodor, Emperor of Thessalonica, defeated, made prisoner, and blinded by Asan, King of Bulgaria; his brother, Manuel, usurps the throne.
1231. Summoned to assist the Poles, the Teutonic Knights defeat the pagan Prussians and found their dominions on the shores of the Baltic.
Four hundred families of Oghusian Tartars, driven from Khorassan, effect a settlement near Mount Olympus; from these the Ottomans descend.
1232. Distracted by civil wars the Moors in Spain are defeated at Seville by Ferdinand III of Leon and Castile, and lose the Balearic Islands to James, King of Aragon.
1233. Conrad of Marburg, the first inquisitor of Germany, put to death for his cruelty.