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
Year of the Three Emperors alike to learn the year in question. Wilhelm I had been the King of Prussia before the formation of a German Empire due largely to Bismarck's efforts. As the monarch of the largest German state which had a key role in the unification, Emperor Wilhelm I had ruled over the German Empire ever since the unification of Germany on 18 January 1871. He lived until he was almost 91 years old and reigned over Prussia for 27 years and over Germany for 17 years. His son, Crown Prince Frederick William, was celebrated for his military actions because of his leadership