Lazar was one of the Serbian noblemen who ruled the Serbian empire after the death of Tsar Dushan. After the death of Tsar Urosh, Patriarch Ephrem crowned Lazar as the Serbian king. Lazar sent a delegation to Constantinople with the monk Isaiah to implore the patriarch to lift [remove] the anathema from the Serbian people. He fought against the Turkish powers on several occasions. Finally, he clashed [fought] on the Field of Blackbirds [Kosovo Polje] on June 15, 1389 A.D. against the Turkish Emperor Amurat where he was beheaded.