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 lands rightfully belonged to a united German state, despite the fact that the majority of the people of Bohemia and Moravia spoke Czech — a Slavic language. Czech nationalists viewed the language as far more significant, calling for a boycott of the Frankfurt Parliament elections in Bohemia, Moravia, and neighboring Austrian Silesia (also partly Czech-speaking). Tensions in Prague between German and Czech nationalists grew quickly between April and May. After the abolition of serfdom on April 17, Supreme Ruthenian Council was established in Galicia to promote the unification of ethnic Ukrainian lands of Eastern Galicia, Transcarpathia and Bukovyna in one