About the day » Tuesday June 21, 1921Calender converter

• Anton Johan Brand, Amsterdam, NH Netherlands († 1945)
• Aldegonda Maria Paulina van Eijk, Kaldenkerken (D), Duitsland († 1977)
• Aaltje Deinum, Sondel († 2008)
• Antonia Henrica van Hoek, Heesch, Noord-Brabant, Nederland († 2012)
• Aleida Kleijn, Amsterdam, Noord-Holland, Nederland († 1922)
• Arthur Perry McKeown Jr., Florida († 2002)
• Anna Wilhelmina Elisabeth Vet, Ulft, Nederland († 1966)
• Adrianus Meijers, Laag-Nieuwkoop, Nederland († 1922)
• Arnaldo Tank, Limeira, São Paulo, Brasil († 1989)
• Bartolomeus Bartels, Rotterdam († 1928)

• Apolonia Ingelse (85), Westkapelle, Zeeland, Nederland
• Cornelis Witvliet (72), Herkingen, Zuid-Holland, Nederland
• Casper Cebulla (80), Browerville, Todd Co., Minnesota
• Catharina Wilhelmina Vaillant (79), 's-Gravenhage, Zuid-Holland, Nederland
• Barend Bras (64), rotterdam
• Adriaan Kaashoek (65), randwyk
• Anna de Lange (1), Ursem
• Backs (0), Barger-Compascuum, Gemeente Emmen, Drenthe, Nederland
• Auguste Metelmann (40), Hohenkirchen, Nordwestmecklenburg, Mecklenburg-Vorpommern, Ksp. Hohenkirchen
• Cléber Gonçalves Corrêa (3), Quarai, Rio Grande do Sul, Brasil

• 1919 » Antonia Mesina, Italian martyr and saint († 1935)
• 1919 » Gérard Pelletier, Canadian journalist and politician († 1997)
• 1919 » Paolo Soleri, Italian-American architect, designed the Cosanti († 2013)
• 1919 » Vladimir Simagin, Russian chess player and coach († 1968)
• 1920 » Hans Gerschwiler, Swiss figure skater († 2017)
• 1921 » Jane Russell, American actress and singer († 2011)
• 1921 » Judy Holliday, American actress and singer († 1965)
• 1921 » William Edwin Self, American actor, producer, and production manager († 2010)
• 1922 » Joseph Ki-Zerbo, Burkinabé historian, politician and writer († 2006)
• 1923 » Jacques Hébert, Canadian journalist and politician († 2007)

• 1893 » Leland Stanford, American businessman and politician, 8th Governor of California (b. 1824)
• 1908 » Nikolai Rimsky-Korsakov, Russian composer and educator (b. 1844)
• 1914 » Bertha von Suttner, Austrian journalist and author, Nobel Prize laureate (b. 1843)
• 1929 » Leonard Trelawny Hobhouse, English sociologist, journalist, and academic (b. 1864)
• 1934 » Thorne Smith, American author (b. 1892)
• 1940 » Édouard Vuillard, French painter (b. 1868)
• 1940 » Smedley Butler, American general, Medal of Honor recipient (b. 1881)
• 1951 » Charles Dillon Perrine, American astronomer (b. 1867)
• 1951 » Gustave Sandras, French gymnast (b. 1872)
• 1952 » Wop May, Canadian captain and pilot (b. 1896)

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.
• January 9 » Greco-Turkish War: The First Battle of İnönü, the first battle of the war, begins near Eskişehir in Anatolia.
• April 11 » Emir Abdullah establishes the first centralised government in the newly created British protectorate of Transjordan.
• 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.
• August 23 » British airship R-38 experiences structural failure over Hull in England and crashes in the Humber Estuary. Of her 49 British and American training crew, only four survive.
• October 29 » The Link River Dam, a part of the Klamath Reclamation Project, is completed.

The temperature on June 21, 1921 was between 7.9 °C and 14.3 °C and averaged 10.7 °C. There was 1.2 mm of rain. There was 2.9 hours of sunshine (17%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest.