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 1830 lose his throne, Louis-Philippe did not, however, intervene in Menotti's planned uprising. The Duke of Modena abandoned his "Carbonari" supporters, arrested Menotti and other conspirators in 1831, and once again conquered his duchy with help from the Austrian troops. Menotti was executed, and the idea of a revolution centered in Modena faded. At the same time, other insurrections arose in the Papal Legations of Bologna, Ferrara, Ravenna, Forlì, Ancona and Perugia. These successful revolutions, which adopted the "tricolore" in favour of the Papal flag, quickly spread to cover all the Papal Legations, and their newly installed local governments proclaimed the