historical geographic location Austria-Hungary Holy Roman Empire Austrian Empire 1804 1867 https://en.wikipedia.org/wiki/Austrian_Empire https://en.wikipedia.org/wiki/Category:Austrian_Empire https://www.wikidata.org/wiki/Q131964 A Central European multinational great power from 1804 to 1867, created by proclamation out of the realms of the Habsburgs. During its existence, it was the third most populous empire after the Russian Empire and the United Kingdom in Europe. Along with Prussia, it was one of the two major powers of the German Confederation. Austrian