SECUREen.wikipedia.org/wiki/Revolutions_of_1848_in_the_Austrian_Empire
The Revolutions of 1848 in the Austrian Empire were a set of revolutions that took place in the Austrian Empire from March 1848 to November 1849. Much of the revolutionary activity had a nationalist character: the Empire, ruled from Vienna, included ethnic Germans, Hungarians, Slovenes, Poles, Czechs, Slovaks, Ruthenians (), Romanians, Croats, Venetians and Serbs; all of …