May 21 – The 9th Street Art Exhibition, otherwise known as the Ninth Street Show, a gathering of a number of notable artists, marks the stepping-out of the postwar New York avant-garde, collectively known as the New York School.
October 9 – American photographer Alice Austen is guest of honor at the first Alice Austen Day on Staten Island following the recent 'rediscovery' of her work.
^Vail, Karole (1998). Peggy Guggenheim: A Celebration. New York: Guggenheim Museum. p. 92. ISBN 0810969149.
^"King George opens Festival of Britain". BBC News. 3 May 1951. Archived from the original on 7 March 2008. Retrieved 2008-02-03.
^Drew, Jane (1976). "The Riverside Restaurant". In Banham, Mary; Hillier, Bevis (eds.). A Tonic to the Nation: The Festival of Britain 1951. London: Thames & Hudson. p. 103.
^ abWhiteley, Gillian. "Festival of Britain". Designing Britain 1945-1975 – Art for Social Spaces.
^ abFolliard, Edward T. "Truman Accepts Italy's Gift of Memorial Bridge Statues." Washington Post. September 27, 1951.
^ ab"Four Italian Bronze Horses Here for Span." Washington Post. June 8, 1951.
^"Ellsworth Kelly. Colors for a Large Wall. 1951 | MoMA".
^Sumner, Ann (2003). "Who was Thomas Jones? The life, death and posthumous reputation of Thomas Jones of Pencerrig". In Sumner, Ann; Smith, Greg (eds.). Thomas Jones (1742–1803): An Artist Rediscovered. New Haven; London: Yale University Press. ISBN 9780300099232.
^"Deborah Luster nga". National Gallery of Art. Retrieved 24 April 2019.
^Yung Chang. (1996) Preface to A Visual Diary Archived October 29, 2007, at the Wayback Machine reproduced at redfern-gallery.com. Retrieved 19/03/08.