Original sentence: First it was a bulgarian city in the First bulgarian Empire and the Second Bulgarian Empire late it was part of the Serbian Empire in the early 1300s and the town governor was Knez Oliver during the time of Emperor Dusan, it was part of Konstantin Dragas realm in 1355-1395
Edited sentence: It was a bulgarian city in the First Bulgarian Empire and the Second Bulgarian Empire late it was part of the Serbian Empire in the early 1300s and the town governor was Knez Oliver during the time of Emperor Dusan, it was part of Konstantin Dragas realm in 1355-1395