About the day » Monday April 21, 1930Calender converter

• Doodgeboren Bruins, Dulder (Weerselo) († 1930)
• Edith Hope Marsh, Verenigde Statn († 2011)
• Berend Gils, Zweeloo, Drenthe, Nederland († 1931)
• Delores M Smith, Colorado († 2016)
• Elias Isaac POLAK, Amsterdam († 1943)
• Elias Jacobus Landwaart, Kortenhoef († 1981)
• Dirk Jan den Hartog, Meerkerk (Zederik), Zuid-Holland, Nederland († 1994)
• Aaltje van der Weele, Brouwershaven, Zeeland, Nederland († 2008)
• Edgard Joseph (Edgard) Vanbrabant, Sint-Truiden, België († 2003)
• Flora Porcelijn († 1942)

• Anna Bellinga (6), Oude Pekela gemeente Pekela Groningen
• Aagje Rietkerk (72), Amsterdam (Noord-Holland)
• Arie luijmes (39), Maasdam
• Annigje Nederlof (76), Maassluis, Nederland
• (80), Meetkerke, Zuienkerke
• Archibald A. Wonsey (83), South Boardman, Michigan, Verenigde Staten
• Alida Apolonia Steentjes (73), Naaldwijk, Westland, Zuid-Holland, Nederland
• Albertje Stuifzand (68), Hoogeveen
• Aart Blanken (26), Arnhem
• Arij LUIMES (39), Maasdam,, NEDERLAND

• 1927 » Ahmed Arif, Turkish poet and author († 1991)
• 1928 » Jack Evans, Welsh-Canadian ice hockey player and coach († 1996)
• 1930 » Dieter Roth, German-Swiss illustrator and sculptor († 1998)
• 1930 » Hilda Hilst, Brazilian author, poet, and playwright († 2004)
• 1930 » Jack Taylor, English footballer and referee († 2012)
• 1930 » Silvana Mangano, Italian actress († 1989)
• 1931 » Morgan Wootten, American high school basketball coach († 2020)
• 1932 » Angela Mortimer, English tennis player
• 1932 » Elaine May, American actress, comedian, director, and screenwriter
• 1932 » Slide Hampton, African-American trombonist and composer

• 1910 » Mark Twain, American novelist, humorist, and critic (b. 1835)
• 1918 » Manfred von Richthofen, German captain and pilot (b. 1892)
• 1924 » Eleonora Duse, Italian actress (b. 1858)
• 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)

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

1. Maria
2. Johanna
3. Anna
4. Cornelia
5. Elisabeth
6. Adriana
7. Wilhelmina
8. Catharina
9. Hendrika
10. Petronella
11. Jacoba
12. Geertruida
13. Aaltje
14. Margaretha
15. Grietje
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 August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
• The Netherlands had about 7.8 million citizens.
• January 6 » The first diesel-powered automobile trip is completed, from Indianapolis, Indiana, to New York, New York.
• January 26 » The Indian National Congress declares 26 January as Independence Day or as the day for Poorna Swaraj ("Complete Independence") which occurred 17 years later.
• February 18 » Elm Farm Ollie becomes the first cow to fly in a fixed-wing aircraft and also the first cow to be milked in an aircraft.
• July 30 » In Montevideo, Uruguay wins the first FIFA World Cup.
• August 7 » The last confirmed lynching of blacks in the Northern United States occurs in Marion, Indiana; two men, Thomas Shipp and Abram Smith, are killed.
• September 6 » Democratically elected Argentine president Hipólito Yrigoyen is deposed in a military coup.

The temperature on April 21, 1930 was between 3.5 °C and 10.2 °C and averaged 6.3 °C. There was 3.1 hours of sunshine (22%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest.