The Ottoman Turks capture Turnovgrad -LRB- now Veliko Tarnovo -RRB- , the capital city of east Bulgaria .
Emperor Ivan Shishman is allowed to remain as a puppet ruler of east Bulgaria .
Emperor Ivan Shishman is allowed to remain as a puppet ruler of east Bulgaria .
文章を簡単にしましょう: The Ottoman Turks capture Turnovgrad -LRB- now Veliko Tarnovo -RRB- , the capital city of east Bulgaria . 出力: