About the day » Sunday July 20, 1873Calender converter

• Adriaan Luteijn, Zuidzande, Nederland († 1960)
• Albertus Johannes van Halteren, 's-Heerenberg, Nederland
• Klaasje Van Der Weide, Hollandscheveld († 1888)
• Antje Steigenga, Koudum († 1919)
• Aleida Grada Roelofs, Gendt
• Albertje Moesker, Noordbroek, Stootshorn († 1944)
• Anna Elizabeth Buck, Tyler County, West Virginia, United States of America († 1941)
• 00 Dingeman Baars, Dordrecht, Zuid-Holland, NL
• Aletta Jacoba Muller, Paarl Western Cape, South Africa
• Abraham Anthonie Montauban, Haarlem († 1930)

• Beatrix Wilhelmina Nederpelt Lazarom (4), Loosduinen
• Aaltje Jans Rabbering (74), Paardelanden (Zuidwolde) 51
• Casper Adrianus Marie Vredenbregt (0), Schiedam
• Betje Aartsen (56), Nieuwer-Amstel, Noord-Holland, Nederland
• Catherine Marguerite CHATELAIN (65), Rouvres en Xaintois
• Carolus SEGHERS (38), Wilrijk,2610,Anvers,Flandre,BELGIQUE
• Anna Maria Witte (60), Axel (Terneuzen), Zeeland, Nederland
• Carolina VAN ACKER (77), Merelbeke, 9820, Vlaanderen, Belgique
• Anthony COLBY (80), New London, Merrimack County, New Hampshire, Verenigde Staten
• Alida Aletta Lekkerkerker (34), Papekop

• 1864 » Erik Axel Karlfeldt, Swedish poet, Nobel Prize laureate († 1931)
• 1864 » Ruggero Oddi, Italian physiologist and anatomist († 1913)
• 1868 » Miron Cristea, Romanian cleric and politician, 38th Prime Minister of Romania († 1939)
• 1873 » Alberto Santos-Dumont, Brazilian pilot († 1932)
• 1876 » Otto Blumenthal, German mathematician and academic († 1944)
• 1877 » Tom Crean, Irish sailor and explorer († 1938)
• 1882 » Olga Hahn-Neurath, Austrian mathematician and philosopher († 1937)
• 1889 » John Reith, 1st Baron Reith, Scottish broadcaster, co-founded BBC († 1971)
• 1890 » Julie Vinter Hansen, Danish-Swiss astronomer and academic († 1960)
• 1890 » Verna Felton, American actress († 1966)

• 1866 » Bernhard Riemann, German mathematician and academic (b. 1826)
• 1897 » Jean Ingelow, English poet and author (b. 1820)
• 1901 » William Cosmo Monkhouse, English poet and critic (b. 1840)
• 1903 » Leo XIII, pope of the Catholic Church (b. 1810)
• 1908 » Demetrius Vikelas, Greek businessman and author (b. 1835)
• 1908 » Karl Bernhard Zoeppritz, German geophysicist and seismologist (b. 1881)
• 1910 » Anderson Dawson, Australian politician, 14th Premier of Queensland (b. 1863)
• 1922 » Andrey Markov, Russian mathematician and theorist (b. 1856)
• 1923 » Pancho Villa, Mexican general and politician, Governor of Chihuahua (b. 1878)
• 1926 » Felix Dzerzhinsky, Russian educator and politician (b. 1877)

1. Jan
2. Johannes
3. Cornelis
4. Hendrik
5. Pieter
6. Willem
7. Gerrit
8. Jacob
9. Petrus
10. Jacobus
11. Adrianus
12. Dirk
13. Arie
14. Albert
15. Hendrikus
16. Gerardus

1. Maria
2. Johanna
3. Anna
4. Cornelia
5. Elisabeth
6. Catharina
7. Hendrika
8. Adriana
9. Wilhelmina
10. Grietje
11. Neeltje
12. Aaltje
13. Trijntje
14. Jacoba
15. Elizabeth
16. Antje

• 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 22 » The Spanish National Assembly abolishes slavery in Puerto Rico.
• June 18 » Susan B. Anthony is fined $100 for attempting to vote in the 1872 presidential election.
• September 1 » Cetshwayo ascends to the throne as king of the Zulu nation following the death of his father Mpande.
• October 3 » Chief Kintpuash and companions are hanged for their part in the Modoc War of northern California.

The temperature on July 20, 1873 was about 23.3 °C. The air pressure was 7 kgf/m² and came mainly from the west. The airpressure was 76 cm mercury. The atmospheric humidity was 67%.