Original: He emerged as Prime Minister after more general elections than any other 20th century premier, contesting five general elections and winning four of them (in 1964, 1966, February 1974 and October 1974).
Simplified: He won more elections than any other 20th century Prime Minister of the United Kingdom (in 1964, 1966, February and October 1974) â "but only once with a clear majority (1966).