From the end of World War I until 1962, New Zealand controlled Western Samoa as a Class C Mandate under trusteeship through the League of Nations, then through the United Nations. Between 1919 and 1962, Samoa was administered by the Department of External Affairs, a government department which had been specially created to oversee New Zealand's Island Territories and Samoa. In 1943, this Department was renamed the Department of Island Territories after a separate Department of External Affairs was created to conduct New Zealand's foreign affairs. During the period of New Zealand control, their administrators were responsible for two major incidents.