The Bulgarian–Ottoman wars were fought between the kingdoms remaining from the disintegrating Second Bulgarian Empire, and the Ottoman Empire, in the second half of the 14th century. The wars resulted
Clockwise from right: Emperor Ivan Alexander, the remains of the Shumen fortress, Sultan Bayezid I
Çandarlızade Ali Pasha was the grand vizier of the Ottoman Empire from 1387 until 1406, first under sultan Murad I, then sultan Bayezid I and, during the Ottoman Interregnum, Süleyman Çelebi.
Tombs of Çandarlızade Ali Pasha (left), and his father Çandarlı Kara Halil Hayreddin Pasha (right), Yeşil Mosque of Iznik