THE EAST IN MEDIEVAL TIMES 307 Turkestan, Persia, and Mesopotamia, and (4) the Mongo- lian empire of Siberia. The Turkish empire of Timur or Tamerlane (1369—1405) was built out of these elements. Timur brought half of Asia under his sway. He con- quered all lands from the Great Wall of China to Moscow, and, as we know, overrun the Punjab as well. By this time the Turks and Mongols of the North-West had not only turned Muslims, but become its fanatical protagonists. " My object in the invasion of Hindustan," Timur declared, " is to lead a campaign against the infidels, to convert them to the True Faith according to the command of the Prophet (on whom be the blessing of God!), to purify the land from the defilement of misbelief and polytheism, and over- throw the temples and idols, whereby we shall be Ghazis and Mujdhids, champions and- soldiers of the Faith before God." But this was merely a pretext, because Timur fought and overthrew Muslims as well. He invaded India in 1398, defeated the Sultan of Turkey in a terrible engagement at Angora in 1402, received the submission of the Sultan of Egypt, and suddenly died in 1405. The Ottoman or Osmanli Turks had established them- selves in Asia-Minor about 1300. Under Bajazet they had advanced into South-Eastern Europe and overthrown the Christian armies at Nicopolis on the Danube in 1396. The advent of Timur had temporarily checked this Turkish ad- vance into Europe. But under Muhammad II (the Great) the Turkish conquests were renewed with vigour. Constan- tinople fell before his irresistible attacks, in 1453, and the Muslims established themselves in the Balkan peninsula with momentous results in European history. Under Sulei- man the Great (called by Turkish historians the 'Lord of ,his Age') the Ottoman power was raised to its zenith (1520—1566), He advanced into Central Europe and in-