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
Italy and the colonization of the Americas Thornton considered as a possible site of a Tuscan or Italian colony now lies in modern French Guiana, near Cayenne, which would be colonised by France in 1630. In the first years of the 17th century Ferdinando I of Tuscany evaluated the possibility of a colony in Brasil and gave captain Thornton a caravelle and a tartane for an expedition in 1608. Thornton sailed for one year, reaching Guyana and Brasil, exploring the Amazon and Orinoco river but in February of that year the Grand Duke died and in Florence nobody after him was still thinking about establishing an overseas