Revolutions of 1848 in the Austrian Empire of the Serbs in Austrian Empire was held between 1 and 3 May 1848 in Sremski Karlovci, during which the Serbs proclaimed autonomous Habsburg crownland of Serbian Vojvodina. The war started, leading to clashes as such in Srbobran, where on July 14, 1848, the first siege of the town by Hungarian forces began under Baron Fülöp Berchtold. The army was forced to retreat due to a strong Serbian defense. With war raging on three fronts (against Romanians and Serbs in Banat and Bačka, and Romanians in Transylvania), Hungarian radicals in Pest saw this as an opportunity. Parliament made concessions to
Revolutions of 1848 in the Austrian Empire of the city for only a short period of time. Windisch-Grätz led soldiers from Prussia to quickly defeat the insurgents. Windisch-Grätz restored imperial authority to the city. The reconquering of Vienna was seen as a defeat over German nationalism. At this point, Ferdinand I named the noble Prince Felix of Schwarzenberg head of government. Schwarzenberg, a consummate statesman, persuaded the feeble-minded Ferdinand to abdicate the throne to his 18-year-old nephew, Franz Joseph. Parliamentarians continued to debate, but had no authority on state policy. Both the Czech and Italian revolutions were defeated by the Habsburgs. Prague was the first victory of