Siege of Golubac

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Siege of Golubac
Part of the Ottoman wars in Europe and Ottoman–Hungarian Wars
The Golubac fortress
Date May 1428 Location Golubac, Serbian Despotate 44°39′15″N 21°37′42″E / 44.65417°N 21.62833°E / 44.65417; 21.62833 Result Ottoman victory Serbia becomes vassal state of the Ottoman Empire Ottomans invade Bosnia
Belligerents
Ottoman Empire	Kingdom of Hungary[1] Wallachia[2] Grand Duchy of Lithuania
Commanders and leaders
Murad II	Sigismund Zawisza Czarny † Dan II of Wallachia
Strength
6,000[citation needed]	15,000–20,000
Casualties and losses
Unknown	Heavy casualties

The siege of Golubac (Hungarian: Galambóc) was a military conflict between the Hungarian–Wallachian–Lithuanian alliance and the Ottoman Empire in May 1428. This siege was the first battle in Hungarian military history in which the Hungarian army used significant artillery. However, they could not capture Golubac and were defeated by the Ottoman main army, led by Sultan Murad II. After the battle, most of Serbia and Bosnia was conquered by the Ottoman Army.