About the day » Monday April 1, 1940Calender converter

• Evertje Willems Westhuis († 1997)
• Jan Dam, Giethoorn († 2015)
• ANNETTE MARIE LAGUE SOYRING, White Earth, Becker, Minnesota, United States († 1989)
• Fredrik Tusveld († 1991)
• Harmpje Kappen, Emmen, Drenthe, Nederland († 2015)
• Henny van de Hee, Genemuiden, Overijssel, Nederland († 2006)
• Jan Pees, Blokzijl, Nederland († 1998)
• George R Todd ?**** († 2014)
• henricus antonius maria rijs, baarlo
• Besseltje Ruiter, Putten († 1941)

• Anje Westerhoff (63), Oak Park, Illinois, Verenigde Staten
• Anna Catharina IJssels (80), Leeuwarden
• Aebeltje Pieters Patrouilje (73), Marrum, Ferwerderadeel, Friesland, Nederland
• Anje Jeltes Westerhoff (63), Oak Park, Cook County, Illinois, Verenigde Staten
• * Catharina Theodora Angenita Moelaart (75), Delft
• Anthonij van der Kemp (79)
• Anthonius van der Meijden (72), Boxtel, NL
• Aaltje Tjerks van der Veen (78), Harkema Opeinde
• Aaltje Steenbergen (1), Zuidwolde, dr.nld
• Aaltje Niemeijer (32), Groningen, Groningen, Nederland

• 1936 » Peter Collinson, English-American director and producer († 1980)
• 1937 » Jordan Charney, American actor
• 1939 » Ali MacGraw, American model and actress
• 1939 » Phil Niekro, American baseball player and manager
• 1940 » Wangari Maathai, Kenyan environmentalist and politician, Nobel Prize laureate († 2011)
• 1941 » Ajit Wadekar, Indian cricketer, coach, and manager († 2018)
• 1941 » Gideon Gadot, Israeli journalist and politician († 2012)
• 1942 » Richard D. Wolff, American economist and academic
• 1942 » Samuel R. Delany, American author and critic
• 1943 » Dafydd Wigley, Welsh academic and politician

• 1920 » Walter Simon, German banker and philanthropist (b. 1857)
• 1922 » Charles I, emperor of Austria (b. 1887)
• 1922 » Hermann Rorschach, Swiss psychologist and author (b. 1884)
• 1924 » Jacob Bolotin, American physician (b. 1888)
• 1924 » Lloyd Hildebrand, English cyclist (b. 1870)
• 1924 » Stan Rowley, Australian sprinter (b. 1876)
• 1946 » Noah Beery, Sr., American actor (b. 1882)
• 1947 » George II, king of Greece (b. 1890)
• 1950 » Charles R. Drew, American physician and surgeon (b. 1904)
• 1950 » Recep Peker, Turkish soldier and politician, 6th Prime Minister of Turkey (b. 1889)

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

• 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 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
• In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
• The Netherlands had about 8.8 million citizens.
• June 10 » World War II: U.S. President Franklin D. Roosevelt denounces Italy's actions in his "Stab in the Back" speech at the graduation ceremonies of the University of Virginia.
• June 12 » World War II: Thirteen thousand British and French troops surrender to Major General Erwin Rommel at Saint-Valery-en-Caux.
• June 15 » World War II: Operation Ariel begins: Allied troops start to evacuate France, following Germany's takeover of Paris and most of the nation.
• June 23 » Henry Larsen begins the first successful west-to-east navigation of Northwest Passage from Vancouver, British Columbia, Canada.
• August 26 » Chad becomes the first French colony to join the Allies under the administration of Félix Éboué, France's first black colonial governor.
• August 31 » Pennsylvania Central Airlines Trip 19 crashes near Lovettsville, Virginia. The CAB investigation of the accident is the first investigation to be conducted under the Bureau of Air Commerce act of 1938.

The temperature on April 1, 1940 was between 5.6 °C and 17.6 °C and averaged 11.5 °C. There was 7.0 hours of sunshine (54%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest.