The only Prime Minister of the 20th century to have previously held all three of the most important cabinet jobs (Foreign Secretary, Home Secretary and Chancellor of the Exchequeur), he became Labour party leader and PM following [[Harold Wilson]]'s unexpected resignation. | The only Prime Minister of the 20th century to have previously held all three of the most important cabinet jobs (Foreign Secretary, Home Secretary and Chancellor of the Exchequeur), he became Labour party leader and PM following [[Harold Wilson]]'s unexpected resignation. |