The Mutawakkilite Kingdom of Yemen ( '), also known simply as the Kingdom of Yemen or as Yemen, or, retrospectively, as North Yemen, was a state that existed between 1918 and 1962 in the northwestern part of what is now Yemen. Its capital was Sana'a until 1948, then Taiz. From 1962 to 1970, it maintained control over portions of Yemen (frequently most) until its final defeat in the North Yemen Civil War. Yemen was admitted to the United Nations on 30 September 1947.