The
Austro-Hungarian Compromise of 1867 (, ) (
alias Composition of 1867) established the
dual monarchy of
Austria-Hungary. The Compromise re-established partially the sovereignty of the
Kingdom of Hungary, separate from, and no longer subject to the
Austrian Empire. Under the Compromise, the lands of the
House of Habsburg were reorganized as a
real union between the Austrian Empire and the Kingdom of Hungary. The
Cisleithanian (Austrian) and
Transleithanian (Hungarian) regions of the state were governed by separate parliaments and prime ministers. Unity was maintained through rule of a single head of state, reigning as both the Emperor of Austria and King of Hungary, and common monarchy-wide ministries of foreign affairs, defence and finance under his direct authority. The armed forces were combined with the Emperor-King as commander-in-chief.