Who is Ulubatlı Hasan?

Who was Ulubatlı Hasan?

Ulubatlı Hasan was an Ottoman soldier renowned for his great bravery during the Conquest of Istanbul in 1453. He acquired the epithet "Ulubatlı" because he originated from the village of Ulubat in Bursa. He was an experienced Sekban soldier serving in the Ottoman army, a military class typically composed of courageous fighters stationed along the frontiers. It is also known that Ulubatlı Hasan served as the sancaktar of Fatih Sultan Mehmet. The sancaktar was the soldier who carried the army’s standard in battle, a role that carried great honor and responsibility within the military hierarchy.

What Did He Do During the Conquest of Istanbul?

On 29 May 1453, the Ottoman army laid siege to Constantinople, the capital of the Byzantine Empire. At the most critical moment of this great siege, Ulubatlı Hasan climbed the walls of Topkapı carrying the Ottoman standard. Under a heavy barrage of arrows and stones, he bravely reached the highest point of the ramparts and planted the flag. However, during this heroic act, he was mortally wounded and martyred. His courageous action became a powerful source of morale for the Ottoman soldiers and played a decisive role in securing the victory of the conquest.

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Recognized as one of the important heroes of Ottoman history, Ulubatlı Hasan is remembered in history for his courage. His sacrifice is regarded as a major factor in the successful outcome of the Conquest of Istanbul. Today, this heroic figure continues to be recounted in history books and various sources.

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Ulubatlı Hasan in Historical Sources

Detailed records about Ulubatlı Hasan’s life are scarce. However, Ottoman sources confirm that he served as the sancaktar of Fatih Sultan Mehmet and directly participated in the conquest. His tomb, known as "Alemdar Baba Hasan," was located for many years in the Horhor neighborhood of Istanbul’s Fatih district. Unfortunately, this grave was destroyed in 1956 during the construction of Atatürk Boulevard.

References:

• Halil İnalcık, "Tetkikler ve Vesikalar Üzerine Fatih Devri", Türkiye İş Bankası Kültür Yayınları
• İsmail Hakkı Uzunçarşılı, "Osmanlı Tarihi", Türk Tarih Kurumu Yayınları
• Ekrem Buğra Ekinci, "Osmanlı Kahramanları", Timaş Yayınları
• Turkish Historical Society Official Website - www.ttk.gov.tr
• Directorate of Religious Affairs, "Sancaktarlar ve Askerî Yapı Osmanlı’da" - www.diyanet.gov.tr