Football. In which decade of the 20th century did the white ball come into official use?
The Fifties 1950s 1950-1959 50's 1950’s 1950–1959 Nineteen-fifties 1950s (decade) 1950ies 1950's '50s 195%3F Fifties
1950 1959 195 3f fifties 50 s 1950 s 1950–1959 1950s decade 50s 1950s 1950ies nineteen fifties
1950 s
WikipediaEntity
1950's