British painting and sculpture 1960-1970: An exhibition organised by the Tate Gallery and the British Council, London [at the] National Gallery of ... D.C., 12 November 1970 - 3 January 1971
Tate Gallery was founded in 1897 as the National Gallery of British Art. When its role was changed in 1932 to include the national collection of modern art as well as the national collection of British art, it was renamed the Tate Gallery.