Between 1397 and 1399 Bayezid overran Thessaly, while in Asia his lieutenant Timur Tash was extending his conquests.
About this time Tash-kOprizada began and 'Ata-ullah continued a celebrated biography of the legists and sheikhs who had flourished under the Ottoman monarchs.
- " Niobe " (Suratlu Tash) and Karabel (two); rock-cut figures with much defaced hieroglyphs in relief.
Arslan Tash, near Comana (Cappadocia), on the Soghan Dagh; two colossal lions, one with incised inscription.
The 1st hill is distinguished by the Seraglio, St Sophia and the Hippodrome; the 2nd by the column of Constantine and the mosque Nuri-Osmanieh; the 3rd by the war office, the Seraskereate Tower and the mosque of Sultan Suleiman; the 4th by the mosque of Sultan Mahommed II., the Conqueror; the 5th by the mosque of Sultan Selim; the 6th by Tekfour Serai and the quarter of Egri Kapu; the 7th by Avret Tash and the quarter of Psamatia.