About the day » Wednesday April 21, 1943Calender converter

• Francisca Georgina Malmberg, Achtkarspelen, Friesland, Nederland († 1945)
• Ambrosius Antonius Maria van Stratum, Asten, Noord-Brabant, Nederland († 2020)
• Jan de Graaff, Den Haag, Nederland († 2014)
• Ambrosius Antonius Maria van Stratum, Asten
• Alexander Herman Frederik Noordhoek Hegt, 's-Gravenhage († 2014)
• Barbara Joy TATNELL, Hobart, Tasmania, Australia († 1965)
• Gerard Lupko Theisens, De Krim († 2022)
• Eleci Rocha Campos, Santo Anastácio, São Paulo, Brasil († 2017)
• Hendrik Moeliker, tholen (zeeland) († 2006)
• Jan Lubbertus Middelveld, Emmen, Drenthe, Nederland († 2014)

• Adrianus Stekelenburg (63), Utrecht, Nederland
• Antonius Jacobus (Anthony James) Scholten (56), Oldenzaal, 7571, Nederland
• Broertje de Roy (4), Princenhage,, Noord-Brabant, Nederland
• Beert Lam (1), Harderwijk, Gelderland, Nederland
• Adrianus Petrus Suijkerbuijk, Biggekerke (Nederland)
• Bernardus Georgius Bodewes (71), Delfzijl, Nederland
• Bertha Paulina CASTELEIN (63), Eeklo
• Anthonius Herman Kemers (19), Enschede
• Augusta Dunger (84), Commerce, Scott, Missouri, Verenigde Staten
• Alice Kate Ezzy (79), Ryde, Sydney, NSW, AU

• 1939 » John McCabe, English pianist and composer († 2015)
• 1939 » Reni Santoni, American actor
• 1939 » Sister Helen Prejean, American nun, activist, and author
• 1940 » Jacques Caron, Canadian ice hockey player and coach
• 1940 » Souleymane Cissé, Malian director, producer, and screenwriter
• 1941 » David L. Boren, American lawyer and politician, 21st Governor of Oklahoma
• 1942 » Geoffrey Palmer, New Zealand politician, 33rd Prime Minister of New Zealand
• 1945 » Diana Darvey, English actress, singer and dancer († 2000)
• 1945 » Mark Wainberg, Canadian researcher and HIV/AIDS activist († 2017)
• 1945 » Srinivasaraghavan Venkataraghavan, Indian cricketer and umpire

• 1930 » Robert Bridges, English poet and author (b. 1844)
• 1932 » Friedrich Gustav Piffl, Bohemian cardinal (b. 1864)
• 1938 » Muhammad Iqbal, Indian-Pakistani philosopher and poet (b. 1877)
• 1941 » Fritz Manteuffel, German gymnast (b. 1875)
• 1945 » Walter Model, German field marshal (b. 1891)
• 1946 » John Maynard Keynes, English economist and philosopher (b. 1883)
• 1948 » Aldo Leopold, American ecologist and author (b. 1887)
• 1952 » Leslie Banks, American actor, director and producer (b. 1890)
• 1954 » Emil Leon Post, Polish-American mathematician and logician (b. 1897)
• 1956 » Charles MacArthur, American playwright and screenwriter (b. 1895)

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

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

• 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 July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
• The Netherlands had about 9.1 million citizens.
• February 14 » World War II: Tunisia Campaign: General Hans-Jürgen von Arnim's Fifth Panzer Army launches a concerted attack against Allied positions in Tunisia.
• May 13 » World War II: Operations Vulcan and Strike force the surrender of the last Axis troops in Tunisia.
• July 23 » World War II: The British destroyers HMSEclipse and HMSLaforey sink the Italian submarineAscianghi in the Mediterranean after she torpedoes the cruiser HMSNewfoundland.
• August 17 » World War II: The Royal Air Force begins Operation Hydra, the first air raid of the Operation Crossbow strategic bombing campaign against Germany's V-weapon program.
• December 2 » World War II: A Luftwaffe bombing raid on the harbour of Bari, Italy, sinks numerous cargo and transport ships, including the American SSJohn Harvey, which is carrying a stockpile of World War I-era mustard gas.
• December 15 » World War II: The Battle of Arawe begins during the New Britain campaign.

The temperature on April 21, 1943 was between 4.6 °C and 18.8 °C and averaged 13.0 °C. There was 10.1 hours of sunshine (71%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the east-southeast.