sentences:  The Minister for Iceland was the most supreme officeholder in the Cabinet, but each office was headed by an Office Manager and a National Secretary supervised the three managers.The position of Minister for Iceland in the Danish and Icelandic cabinet was discontinued 30 November 1918 as the Danish–Icelandic Act of Union was signed 1 December 1918 by Denmark and Iceland.The agreement made Iceland a sovereign state – the Kingdom of Iceland – joined with Denmark in a personal union with the Danish king as the head of state of both kingdoms.