Byzantine Empire Palaiologos dynasty
Tamerlane defeats BayezidAnkara, Turkey
The Battle of Ankara or Angora was fought on 20 July 1402 at the Çubuk plain near Ankara, between the forces of the Ottoman Sultan Bayezid I and the Emir of the Timurid Empire, Timur. The battle was a major victory for Timur, and it led to the Ottoman Interregnum. The Byzantines would benefit from this brief respite.