Career
In 1360, he took Didymoticho, and in 1362, Adrianople, which afterwards served as the Ottoman seat of throne as Edirne. In 1364, he took Boruj and Plovdiv. He was one of commanders in Battle of Maritsa (1371).
As of 1382 he ruled in Sofia.
He was decisively defeated by Prince Lazar of Serbia at the Battle of Pločnik (1385-1386). He was badly defeated by the Bosnians in the Battle of Bileća on August 27, 1388.