From March 1848 through July 1849, the Habsburg Austrian Empire was threatened by revolutionary movements. Much of the revolutionary activity was of a nationalist character: the empire, ruled from Vienna, included Austrian Germans, Hungarians, Slovenes, Poles, Czechs, Slovaks, Ruthenians, Romanians, Serbs, Italians, and Croats, all of whom attempted in the course of the revolution to either achieve autonomy, independence, or even hegemony over other nationalities. and Milan Hlavačka.