Established on 15 March 1867 and effectively disbanded on 31 October 1918 when its Hungarian troops left, the Common Army formed the main element of the "armed power" (Bewaffneten Macht or Wehrmacht) of the new double monarchy, to which the Imperial and Royal Navy (k.u.k. Kriegsmarine) also belonged. In the First World War all land and sea forces of the monarchy were subordinated to the Armeeoberkommando set up in 1914.