About the day » Friday March 21, 1873Calender converter

• Abraham van Seggelen, Alkemade († 1942)
• Adrianus Lagas, Breda, Noord-Brabant, Nederland († 1946)
• Alida Cornelia Roels, Tilburg († 1927)
• Aaltje HUISMAN, Oudwoude († 1947)
• Adriana Bareman, Terneuzen († 1922)
• Adrianus de Bodt, Hank, Altena, Noord-Brabant, Nederland († 1899)
• Aagtje Reiziger, Aalsmeer, Noord-Holland, Nederland († 1873)
• Akke Geboren Als Rozenberg van der Dam, Ju bbega Schurega
• Abram Hendrik van der Veen, Rotterdam, Zuid-Holland, Nederland († 1951)
• Akke van der Dam, Jubbega Schurega († 1962)

• Anna Poelgeest, Haarlemmerliede en Spaarnwoude
• Ann Kegerise (48)
• Adriana Carolina van Swieten (36), Frankfurt a.M. (D)
• Anna Maria de LAAT (74), Boxtel, 3374, Noord-Brabant, Nederland
• Anna Nijkamp (61), Dulder
• de BEL (0), Kruiningen, Zeeland, Nederland
• Aalbertje van Nederpelt (42)
• Alexander [illegitimate] Gordon (92)
• Anna Margaretha Stechan (74), Langbroek
• Anthonie 't HOEN (0), Dordrecht

• 1865 » George Owen Squier, American general († 1934)
• 1866 » Antonia Maury, American astronomer and astrophysicist († 1952)
• 1867 » Florenz Ziegfeld, Jr., American director and producer († 1932)
• 1869 » David Robertson, Scottish-English golfer and rugby player († 1937)
• 1874 » Alfred Tysoe, English runner († 1901)
• 1876 » Walter Tewksbury, American runner and hurdler († 1968)
• 1877 » Maurice Farman, French race car driver and pilot († 1964)
• 1878 » Morris H. Whitehouse, American architect († 1944)
• 1880 » Broncho Billy Anderson, American actor, director, and producer († 1971)
• 1880 » Hans Hofmann, German-American painter and academic († 1966)

• 1843 » Guadalupe Victoria, Mexican general and politician, 1st President of Mexico (b. 1786)
• 1843 » Robert Southey, English poet, historian, and translator (b. 1774)
• 1854 » Pedro María de Anaya, Mexican soldier. President (1847-1848) (b. 1795)
• 1863 » Edwin Vose Sumner, American general (b. 1797)
• 1869 » Juan Almonte, son of José María Morelos, was a Mexican soldier and diplomat who served as a regent in the Second Mexican Empire (1863-1864) (b. 1803)
• 1884 » Ezra Abbot, American scholar and academic (b. 1819)
• 1891 » Joseph E. Johnston, American general (b. 1807)
• 1915 » Frederick Winslow Taylor, American golfer, tennis player, and engineer (b. 1856)
• 1920 » Evelina Haverfield, British suffragette and aid worker (b. 1867)
• 1932 » Frantz Reichel, French rugby player and hurdler (b. 1871)

• Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• From July 6, 1872 till August 27, 1874 the Netherlands had a cabinet De Vries - Fransen van de Putte with the prime ministers Mr. G. de Vries Azn. (liberaal) and I.D. Fransen van de Putte (liberaal).
• The Netherlands had about 4.0 million citizens.
• February 11 » King Amadeo I of Spain abdicates.
• March 3 » Censorship in the United States: The U.S. Congress enacts the Comstock Law, making it illegal to send any "obscene literature and articles of immoral use" through the mail.
• March 10 » The first Azerbaijani play "The Adventures of the Vizier of the Khan of Lenkaran" prepared by Akhundov was performed by Hassan-bey Zardabi and dramatist and Najaf-bey Vezirov.
• May 23 » The Canadian Parliament establishes the North-West Mounted Police, the forerunner of the Royal Canadian Mounted Police.
• June 18 » Susan B. Anthony is fined $100 for attempting to vote in the 1872 presidential election.
• July 21 » At Adair, Iowa, Jesse James and the James–Younger Gang pull off the first successful train robbery in the American Old West.

The temperature on March 21, 1873 was about 6.5 °C. The air pressure was 2 kgf/m² and came mainly from the south east. The airpressure was 76 cm mercury. The atmospheric humidity was 58%.