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Siege of Belgrade (1690)
Part of the Great Turkish War, the Ottoman–Habsburg wars, and the Polish–Ottoman War
Siege of Belgrád-1688-by Nypoort.jpg
Date2–8 October 1690
Result Ottoman victory
Ottomans capture Belgrade
Ottoman Empire  Holy Roman Empire
Commanders and leaders
Köprülü Fazıl Mustafa Pasha Holy Roman Empire Ferdinand Gobert von Aspremont-Lynden
120000 sodlers and 60 large siege gun and 200 light guns 5000 soldiers
Casualties and losses
300 4061

The siege of Belgrade in 1690 was the fifth siege of that city, taking place during the Great Turkish War.

Belgrade had been conquered by the Austrians under the elector of Bavaria, Maximilian II Emanuel, on September 6, 1688, after a five-week siege. Only 20 days later, King Louis XIV of France invaded the Rhineland, starting the Nine Years' War. This invasion made the Emperor stop all offensives in the Balkans and redirect the bulk of his army in the East towards the Rhine. This diversion allowed the Ottomans under Grand vizier Köprülü Fazıl Mustafa Pasha to regroup their army and retake the initiative. In 1690, the Ottomans recaptured Niš and by October 2 they had reached Belgrade.

The siege lasted for only six days, as the Austrians were forced to surrender when their main powder magazine was hit by a Turkish shell and exploded. Belgrade was then captured by the Ottomans.

The Turks would hold the city until the Austrians retook it in the 1717 siege.