Tower of Pignattara, plate twenty-two from the Ruins of Rome, published February 20, 1798

M. Dubourg

The Leader Sea Piece, plate 20 from Liber Studiorum, published March 29, 1809

Joseph Mallord William Turner

Untitled (Footprint), July 20, 1969, printed 1979

United States. National Aeronautics & Space Administration

Treaty of Léoben, c. 1822

Nicolas Henri Jacob

A Naval Combat. “- So, you insulted my flag!.... just you wait, just wait till I'll sink you with a broad side!..... or even better I'll splash you with water from left and right and behind and....” plate 20 from Les Canotiers Parisiens, 1843

Honoré-Victorin Daumier

Ophelia, from Twelve Characters from Shakespeare, May 20, 1775 (originally published); published 1809

John Hamilton Mortimer

Covered Goblet (Pokal), 1713/20

Pair of Spoons, 1800–20

“- What a fortunate encounter! It's my dear Stanislaus whom I haven't seen since we were in the sixth class together at Landernau.... in these times we used to share everything.... Things should be the same again, could you lend me 20 or 25 Francs?,” plate 2 from Les Amis, 1845

Honoré-Victorin Daumier

Fatigues of the Campaign in Flanders, published May 20, 1793

James Gillray

Paperweight, c. 1910–20

Visor Ledge east of Stand Rock, No. 20 from the series "In and About the Dells of the Wisconsin River", 1870/1908

Henry Hamilton Bennett

Bowl, 1904–20

Marshall Field & Co. Craft Shop

A Nice Lady or an Incomparable!!!!, published October 20, 1818

George Cruikshank

Chair Strip, 1900/20, Qing dynasty (1644– 1911)/ Republic Period (1912–1949)

Untitled [from Circulation, October 12 #20], 1971, printed 2017

Takuma Nakahira

South Side of King's College Chapel, Cambridge, 1815/20

Frederick MacKenzie

Racial Protest at Cornell University, Ithaca, New York, April 20, 1969, printed by May 7, 1970

Steve Starr

The Very Reverend Dr. Butler (Master of Trinity, Cambridge), c. 1893

Henry Herschel Hay Cameron

Counting: Intransitive (Red and Black), 1994

Mel Bochner