The Royal Question (, ) was a major political crisis in Belgium which lasted between 1945 and 1951 but which came to a head between March and August 1950. The "Question" at stake surrounded whether King Leopold III could return to the throne of Belgium amid allegations that his actions during World War II had gone contrary to the provisions of the Belgian Constitution. It was eventually resolved by the abdication of Leopold in favour of his son, Baudouin, in 1951.