The Governor-General was appointed by the President of the United States and approved by the Senate. Unlike the Governors General of the British Dominions, the American Governor General exercised active executive authority over the nation they were appointed to administer.
Governor-General (or GovernorGeneral) is a term used both historically and currently to designate the appointed representative of a head of state or their government for a particular territory, historically in a colonial context, but no longer necessarily in that form.
Lord Tweedsmuir was GovernorGeneral of Canada from 1935 to 1940.
From 1905 to 1935 the Philippines was administered by a GovernorGeneral appointed by the United States.