Revolutions of 1848 in the Austrian Empire Schwarzenberg had so successfully maintained. Revolutions of 1848 in the Austrian Empire A set of revolutions 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 (Ukrainians), Romanians, Croats, Venetians (Italians) and Serbs; all of whom attempted in the course of the revolution to either achieve autonomy, independence, or even hegemony over other nationalities. The nationalist picture was further complicated by the simultaneous events in the German states, which moved toward greater German national unity.
Diseases and epidemics of the 19th century 1854, it entered Venezuela; Brazil also suffered in 1855. The fourth cholera pandemic (1863–1875) spread mostly in Europe and Africa. At least 30,000 of the 90,000 Mecca pilgrims died from the disease. Cholera ravaged northern Africa in 1865 and southeastward to Zanzibar, killing 70,000 in 1869–70. Cholera claimed 90,000 lives in Russia in 1866. The epidemic of cholera that spread with the Austro-Prussian War (1866) is estimated to have taken 165,000 lives in the Austrian Empire. In 1867, 113,000 lost their lives to cholera in Italy. and 80,000 in Algeria. Outbreaks in North America in 1866–1873 killed some 50,000 Americans.