About the day » Monday May 9, 1921Calender converter

• Arend Jan van der Windt, Rotterdam († 2021)
• Annie van Eldik, Hatert († 2000)
• Aaltje Kaas, Broek op L'dijk († 1921)
• Bastiaan Keijts, Groningen, Groningen, Nederland († 2003)
• Anthonius Petrus den Haan, Ter Aar (Langeraar) († 2008)
• * Josephina Gerardina Maria ( Sefa Jose ) de Beer, Tilburg († 1997)
• Annigje Meijer, Zwolle († 1986)
• Andre Jantinus Nijenhuis, Meppel († 1922)
• Andre Jantinus Nijenhuis, Meppel, Nederland († 1922)
• Annie Lee Perkins, Crenshaw County, Alabama, Verenigde Staten († 1997)

• Cornelia Bastiana Lambrecht (21), Rotterdam, Zuid Holland, Nederland
• Antien de Leeuw (61), Avereest
• Evert Poel (6), Amsterdam
• Franciscus Klarenbeek (70), Venray
• Catharina Johanna Teunisse (84), Rotterdam
• Elisabeth Wentink (71), Zelhem (Bronckhorst)
• Francisca Everarda Arntz (74), Rotterdam,Gemeente Rotterdam,South Holland,Netherlands
• adriana BLAAK (61), zuidland
• Cornelis Sandbergen (65), Amsterdam, Noord-Holland, Nederland
• Elizabeth Pratt (89), Portmoak, Kinross, Scotland

• 1918 » Mike Wallace, American journalist, media personality and one-time game show host († 2012)
• 1918 » Moisis Michail Bourlas, Greek soldier and educator († 2011)
• 1918 » Orville Freeman, American soldier and politician, 16th United States Secretary of Agriculture († 2003)
• 1919 » Clifford Chadderton, Canadian soldier and journalist († 2013)
• 1920 » Richard Adams, English novelist († 2016)
• 1920 » William Tenn, English-American author and academic († 2010)
• 1921 » Daniel Berrigan, American priest, poet, and activist († 2016)
• 1921 » Mona Van Duyn, American poet and academic († 2004)
• 1921 » Sophie Scholl, German activist († 1943)
• 1923 » Johnny Grant, American radio host and producer († 2008)

• 1906 » Oscar von Gebhardt, German theologian and academic (b. 1844)
• 1914 » C. W. Post, American businessman, founded Post Foods (b. 1854)
• 1915 » Anthony Wilding, New Zealand tennis player and cricketer (b. 1883)
• 1915 » François Faber, Luxembourgian-French cyclist and soldier (b. 1887)
• 1918 » George Coșbuc, Romanian journalist and poet (b. 1866)
• 1931 » Albert Abraham Michelson, German-American physicist and academic, Nobel Prize laureate (b. 1852)
• 1933 » John Arthur Jarvis, English swimmer (b. 1872)
• 1935 » Ernst Bresslau, German zoologist (b. 1877)
• 1938 » Thomas B. Thrige, Danish businessman (b. 1866)
• 1942 » Józef Cebula, Polish priest and saint (b. 1902)

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

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

• 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 September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
• The Netherlands had about 6.9 million citizens.
• March 1 » The Australian cricket team captained by Warwick Armstrong becomes the first team to complete a whitewash of The Ashes, something that would not be repeated for 86 years.
• March 21 » The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of war communism.
• June 12 » Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising.
• June 15 » Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.
• July 10 » Belfast's Bloody Sunday: Sixteen people are killed and 161 houses destroyed during rioting and gun battles in Belfast, Northern Ireland.
• July 11 » A truce in the Irish War of Independence comes into effect.

The temperature on May 9, 1921 was between 6.2 °C and 18.5 °C and averaged 11.2 °C. There was 1.9 mm of rain. There was 6.8 hours of sunshine (44%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest.