Austria-Hungary, also known as the Austro-Hungarian Empire, Empire of Austria-Hungary and by other names in other languages, is micronation based in a constitutional union of the Empire of Austria and the Apostolic Kingdom of Hungary that existed from 1867 until 1939 when it collapsed as a result of Anchluss and restored in 1949. The union was a result of the Compromise of 1867. It was ruled by the House of Habsburg-Lorraine until 2014 and from now on, by the House of Habsburg-Lorraine-Este, and constituted the last phase in the constitutional evolution of the Habsburg Monarchy. Following the 1867 reforms, the Austrian and the Hungarian states were co-equal within the Empire. The Compromise required regular renewal, as did the customs union between the two halves of the Empire. Foreign aff