About the day » Saturday July 21, 1917Calender converter

• Adrianus Johannes (Janus) Wijnants († 1972)
• Berendina Hendrika Niemeyer, Lonneker, Overijssel, Nederland († 2001)
• Anna de Dood, Amsterdam, Noord-Holland, Nederland († 1956)
• Abram Hoek († 1974)
• Albert Joseph van Driessche, Lokeren, OVld, Be († 1984)
• Adriaan, Reinier van MINOS, Batavia († 1997)
• Catherine Louise Burdette, Nashville, Davidson Co., Tennessee, Verenigde Staten († 1918)
• Alida Cornelia Maria van der Helm, Haarlem († 2011)
• Bertin James BEST, Deloraine, Tasmania, Australia († 1989)
• , Oudenburg, W. Vl., België († 1967)

• Carolus Justus Lewe van Aduard (65), Nijmegen,Gemeente Nijmegen,Gelderland,Netherlands
• Cornelia Henriëtta Hartevelt (76), Leiden
• Blazina de Smit (31), Middelburg, ZL, NL
• Berendina Christina Heutink (56), Wisch (Oude IJsselstreek), Gelderland, Nederland
• Adriana Geertruida van Egmond (51), Breda
• Clayburn "Clabe" Holbrook (62), Elliott Co., Kentucky, United States
• Christoffel de Ruijter (66), Waspik
• Cornelia Schelling (49), Amsterdam, Noord-Holland, Nederland
• Antje Huizinga (78), ferwerderadeel
• Berendina Christina Heutink (56), Silvolde, Gelderland, Nederland

• 1914 » Aleksander Kreek, Estonian shot putter and discus thrower († 1977)
• 1917 » Alan B. Gold, Canadian lawyer and jurist († 2005)
• 1920 » Constant Nieuwenhuys, Dutch painter, sculptor, and illustrator († 2005)
• 1920 » Isaac Stern, Polish violinist and conductor († 2001)
• 1920 » Jean Daniel, Algerian-French-Jewish journalist and author († 2020)
• 1921 » James Cooke Brown, American sociologist and author († 2000)
• 1921 » John Horsley, English actor († 2014)
• 1921 » Vusamazulu Credo Mutwa, Zulu sangoma († 2020)
• 1922 » Kay Starr, American singer († 2016)
• 1922 » Mollie Sugden, English actress († 2009)

• 1889 » Nelson Dewey, American lawyer and politician, 1st Governor of Wisconsin (b. 1813)
• 1899 » Robert G. Ingersoll, American soldier, lawyer, and politician (b. 1833)
• 1920 » Fiammetta Wilson, English astronomer and educator (b. 1864)
• 1932 » Bill Gleason, American baseball player (b. 1858)
• 1934 » Hubert Lyautey, French general and politician, French Minister of Defence (b. 1854)
• 1938 » Owen Wister, American lawyer and author (b. 1860)
• 1941 » Bohdan Lepky, Ukrainian poet and scholar (b. 1872)
• 1943 » Charley Paddock, American runner and actor (b. 1900)
• 1943 » Louis Vauxcelles, French Jewish art critic (b. 1870)
• 1944 » Claus von Stauffenberg, German soldier (b. 1907)

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

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

• Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
• The Netherlands had about 6.5 million citizens.
• January 11 » The Kingsland munitions factory explosion occurs as a result of sabotage.
• March 15 » Tsar Nicholas II of Russia abdicates the Russian throne ending the 304-year Romanov dynasty.
• May 21 » The Imperial War Graves Commission is established through royal charter to mark, record, and maintain the graves and places of commemoration of the British Empire's military forces.
• November 20 » World War I: Battle of Cambrai begins: British forces make early progress in an attack on German positions but are later pushed back.
• December 2 » World War I: Russia and the Central Powers sign an armistice at Brest-Litovsk, and peace talks leading to the Treaty of Brest-Litovsk begin.
• December 6 » World War I: USSJacob Jones is the first American destroyer to be sunk by enemy action when it is torpedoed by German submarine SMU-53.

The temperature on July 21, 1917 was between 9.0 °C and 19.6 °C and averaged 14.5 °C. There was 13.5 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest.