Genghiz Khan died in 1227. Upon his death, his vast empire was divided up into five parts: (1) Mongolistan consisting of the Mongol home turf, (2) Chagtai, consisting of Khorasan and Farghana Valley, (3) Persia, ruled by the Il-Khans, (4) Russia and Kazakhstan, ruled by the Golden Hordes and (5) China. The Mongols continued their advance after Genghiz. In 1229, they planned three great...

For a brief moment, towards the end of the 12th century, the Muslim world was politically united under one caliph ruling from Baghdad. This political unity, rare in Islamic history, projected itself on the military plane. In West Asia, the Crusaders were ejected from Palestine, Lebanon and Syria. Salahuddin recaptured Jerusalem in 1187. Four years later, in 1191, Muhammed Ghori of Ghazna...