Quick LinksHistory of On this day in All events in 1402 AD On this day Search1402 AD July 20
In the Battle of Ankara in 1402, Timur defeated the Ottoman forces and took Bayezid I as a prisoner, throwing the empire into disorder.
The ensuing civil war, also known as the Fetret Devri, lasted from 1402 to 1413 as Bayezid's sons fought over succession. It ended when Mehmed I emerged as the sultan and restored Ottoman power.
Sultan Bajezid I's Ottoman forces were defeated at the Battle of Ankara.