XIR167307 Ms Fr 2810 The Mongol leader, Hulagu, khan of the Ilkhanate chases his cousin, Berke, khan of the Kipchak or Golden Horde in 1262, forcing him into a river, from Livre des Merveilles du Monde, c.1410-12 (vellum) (b/w photo) by Boucicaut Master, (fl.1390-1430) (and workshop); Bibliotheque Nationale, Paris, France; (add.info.: This was a civil war between grandsons of Genghis Khan (c. 1162-1227); Berke Khan (d. 1266) had converted to the Muslim faith and wished to punish his 1st cousin, Hulagu Khan (c. 1217-65) for his destruction of Baghdad in 1258; first open war between Mongols;); French, out of copyright.