1200: Temujin, a.k.a Genghis Khan dies from an accident. His hordes fall apart again. 1210: Ogadai Khan reunites the steppe people, less successful than his father however. 1230-32: Ogadai fights the Hsi-Hsia. 1236: Choresmian Shah Jalal-ad-Din Manguberdi I topples the last Abbasid caliph, replaces him by a puppet. 1238: Russian prince Aleksandr Yaroslavich (OTL Nevsky) goes to Vladimir-Suzdal to fight the Volga Bulgars. 1240: Ogadai attacks Choresm, is stopped by Jalal-ad-Din, dies soon after. Volga Hungarians settle in Hungary proper. 1276: Constantinople reconquered from the crusaders by Nikaia.