Love and justice towards the people of the book during the Ottoman Empire
Sultan Mehmet, the Conqueror was waiting for the Mahdi (pbuh) as well. Sultan Suleiman, the Magnificent waited for the Mahdi, they all waited. They have decorated Istanbul with mosques, with palaces just because the Mahdi (pbuh) will be coming. They have decorated Istanbul, our forefathers have prepared Istanbul for the Mahdi (pbuh).
Sultan Mehmet, the Conqueror conquered Istanbul to prepare it for the Mahdi (pbuh), for the approval of Allah. Scholars, saints, they all knew that Mahdi will appear in Istanbul. In order for Mahdi to work comfortably in Istanbul, our ancestors conquered Istanbul under the hardest conditions.