1220-22 The Mongols defeat the Khwarizm empire, then the Georgians, Alans, Cumans and south Russian princes.
1223 The Epirotes take Salonica from the Latin Empire.
1227 Genghis Khan dies. The Danish hegemony collapses.
1228-29 The Almohads abandon the Muslims in Spain. The Sultan of Granada emerges as the strongest leader, but is unable to stop the Christian advance.
by 1230 The Niceans take the Asian territories of the Lain Empire and the Despotate of Rhodes.
The Knights of the Sword conquer Estonia.
The Teutonic Knights begin campaigns in south-west Prussia.
The New Penguin Atlas of Medieval History, Colin McEvedy, pp 76-77