In 1400–1401 he conquered Aleppo, Damascus and eastern Anatolia, in 1401 he destroyed Baghdad and in 1402 defeated the Ottomans in the Battle of Ankara.
I 1400/01 tog han Aleppo, Damaskus og det østlige Anatolien, ødelagde Bagdad i 1401 og triumferede over ottomanerne ved Ankara i 1402.