Answer: Hi
Explanation:
Battle of Kosovo, Kosovo also spelled Kossovo, (June 28 [June 15, Old Style], 1389), battle fought at Kosovo Polje ("Field of the Blackbirds"; now in Kosovo) between the armies of the Serbian prince Lazar and the Turkish forces of the Ottoman sultan Murad I (reigned 1360–89) that left both leaders killed and ended in a Turkish victory, the collapse of Serbia, and the complete encirclement of the crumbling Byzantine Empire by Turkish armies
