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 Italian states Revolutions in the Lombardy city of Milan forced about 20,000 of an Austrian General Radetsky's troops to withdraw from the city. Eventually General Radetsky was forced to completely withdraw his troops from the two states, however, due to his expertise, he was able to keep the Quadrilateral fortresses of Verona, Peschiera, Legnano and Mantua. Through his skillful tactics he brought his men that had been withdrawn into the key forts. Meanwhile, the Italian insurgents were encouraged when news of Prince Metternich abdicating in Vienna spread out, but were unable to completely eradicate Radetsky's troops. Also, by this time Charles Albert