About the day » Wednesday June 21, 1939Calender converter

• Barbara Ann Flavin, Minneapolis, Minnesota, Verenigde Staten († 1939)
• Adriana Maartje de Vreugd († 2010)
• Elaine Ferreira Maciel, Porto Alegre, Rio Grande do Sul, Brasil († 1999)
• Aloysius M. Bernardus J. Ides, Hilversum († 2013)
• Afra Maria Cornelia Smit, Wognum, Medemblik, Noord-Holland, Nederland († 1996)
• Georgette Claes, Boom († 2014)
• Alie Makkinga († 1993)
• Dirk Adrianus de Bruijn, Boskoop († 1939)
• Arend Hein Roepius, Rotterdam († 1944)
• Helena Maria Nieuwpoort, Amsterdam, Nederland († 2011)

• Adrianus Johannes de Folter (49), Waalwijk
• Aris van Dam (73), Stolwijk, 2821, Nederland
• Antonius Johannes Goemans (72), Maashees en Overloon, Boxmeer, Noord-Brabant, Nederland
• Alida C Terpstra (55), Jasper County, Iowa
• Duijvelaar (0), Woerden, Zuid-Holland, Nederland
• Akke Boukes Sienema (77), Leeuwarderadeel
• Rotmensen (0), Leiden, Leiden, Zuid-Holland, Nederland
• Anna Berendina Eberstadt (75), Rotterdam
• Alstje Faber (84), Warffum, Groningen, Nederland
• Arent Jan Modderkolk (87), Brummen, Gelderland, Nederland

• 1937 » John Edrich, English cricketer and coach
• 1938 » Don Black, English songwriter
• 1938 » John W. Dower, American historian and author
• 1938 » Michael M. Richter, German mathematician and computer scientist
• 1940 » Mariette Hartley, American actress and television personality
• 1940 » Michael Ruse, Canadian philosopher and academic
• 1941 » Aloysius Paul D'Souza, Indian bishop
• 1941 » Joe Flaherty, American-Canadian actor, producer, and screenwriter
• 1941 » Lyman Ward, Canadian actor
• 1942 » Clive Brooke, Baron Brooke of Alverthorpe, English businessman and politician

• 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)
• 1954 » Gideon Sundback, Swedish-American engineer, developed the zipper (b. 1880)
• 1957 » Claude Farrère, French captain and author (b. 1876)
• 1957 » Johannes Stark, German physicist and academic, Nobel Prize laureate (b. 1874)

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

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

• 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 June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
• In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
• In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
• The Netherlands had about 8.7 million citizens.
• January 27 » First flight of the Lockheed P-38 Lightning.
• March 26 » Spanish Civil War: Nationalists begin their final offensive of the war.
• September 6 » World War II: South Africa declares war on Nazi Germany.
• September 10 » World War II: The submarine HMSOxley is mistakenly sunk by the submarine HMSTriton near Norway and becomes the Royal Navy's first loss of a submarine in the war.
• September 19 » World War II: The Battle of Kępa Oksywska concludes, with Polish losses reaching roughly 14% of all the forces engaged.
• December 24 » World War II: Pope Pius XII makes a Christmas Eve appeal for peace.

The temperature on June 21, 1939 was between 13.1 °C and 23.8 °C and averaged 19.0 °C. There was 0.1 mm of rain during 0.2 hours. There was 11.1 hours of sunshine (66%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast.