1456 Ulrich II of Celje (Slovene: Ulrik Celjski, German Ulrich von Cilli, Hungarian: Cillei Ulrik), last prince of Celje principality, was assassinated in Belgrade.
1521 The Ottoman Turks occupy Belgrade.
1521 The Ottoman Turks capture Nándorfehérvár, now known as Belgrade.
1739 The Treaty of Belgrade is signed, ceding Belgrade to the Ottoman Empire.
1868 The assassination of Michael Obrenovich III, Prince of Serbia, in Belgrade.
1914 World War I: The Serbian Army recaptures Belgrade from the invading Austro-Hungarian Army.
1944 Allied forces started bombimng of Belgrade,killing about 1,100 people. This bombing fell on the Orthodox Christian Easter.
1944 The Soviet Army and Yugoslav Partisans liberate Belgrade, the capital of Yugoslavia
1961 The first conference of the Non Aligned Countries is held in Belgrade.
1974 A Belgrade–Dortmund express train derails at the main train station in Zagreb killing 153 passengers.
1991 Massive demonstrations are held against Slobodan Milošević in Belgrade. Two people are killed and tanks are deployed in the streets.
1999 The Avala TV Tower near Belgrade is destroyed in the NATO bombing of Yugoslavia.
1999 Kosovo War: In Federal Republic of Yugoslavia, three Chinese citizens are killed and 20 wounded when a NATO aircraft bombs the Chinese embassy in Belgrade.
1999 In Belgrade, tens of thousands of Serbians rally to demand the resignation of Federal Republic of Yugoslavia President Slobodan Milošević.
2000 Mass demonstrations in Belgrade lead to resignation of Serbian strongman Slobodan Milošević. These demonstrations are often called the Bulldozer Revolution.
2003 Zoran Đinđić, Prime Minister of Serbia, is assassinated in Belgrade.
2004 Unrest in Kosovo: More than 22 are killed and 200 wounded. 35 Serbian Orthodox shrines in Kosovo and two mosques in Belgrade and Niš are destroyed.