About the day » Tuesday April 20, 1971Calender converter

• Albertus Wouterus van den Brink († 2012)
• Cornelis Koffeman († 2018)
• Helena Wilhelmina Burger, Yerseke
• Sietze Faber, Sneek, wymbritseradeel.fr.nld († 1977)
• Willem Cornelis Hartog, Spakenburg († 1971)
• Helma van de Vooren
• Heather Elizabeth Kooy, Orland Park, IL

• Arnold Willem Groote (79), Hilversum, Noord-Holland, Nederland
• Bernardus Heijsman (75)
• Anna Elisabeth Luder (90), Amsterdam, Noord-Holland, Nederland
• Anton Klosterboer (82), Lac qui Parle County, Minnesota
• Catharina Cornelia Roos (61), Den Helder
• Adrianus Johannes Wilhelmus Josephus Jansen (59), Tilburg, Gemeente Tilburg
• Anna Mosebach (89), Mülheim a. d. Ruhr
• Adrianus van Dongen (77), Raamsdonkveer, Noord-Brabant, The Netherlands
• Adriana van der Plasse (82), Huizen
• Anna Pieternella van Beijmerwerdt (88), Delft, Zuid-Holland, Nederland

• 1970 » Avishai Cohen, Israeli singer-songwriter and bassist
• 1970 » Sarantuya, Mongolian soprano
• 1970 » Shemar Moore, American actor
• 1971 » Allan Houston, American basketball player and manager
• 1971 » Carla Geurts, Dutch swimmer, physiologist, and academic
• 1971 » Nikos Kyzeridis, Greek footballer
• 1972 » Željko Joksimović, Serbian singer-songwriter and producer
• 1972 » Carmen Electra, American model and actress
• 1972 » Lê Huỳnh Đức, Vietnamese footballer, coach, and manager
• 1972 » Stephen Marley, American singer, guitarist, and producer

• 1951 » Ivanoe Bonomi, Italian politician, 25th Prime Minister of Italy (b. 1873)
• 1961 » Ado Vabbe, Estonian painter (b. 1892)
• 1967 » Léo-Paul Desrosiers, Canadian journalist and author (b. 1896)
• 1968 » Rudolph Dirks, German-American illustrator (b. 1877)
• 1969 » Vjekoslav Luburić, Croatian Ustaše official and concentration camp administrator (b. 1914)
• 1980 » M. Canagaratnam, Sri Lankan politician (b. 1924)
• 1982 » Archibald MacLeish, American poet, playwright, and lawyer (b. 1892)
• 1986 » Sibte Hassan, Pakistani journalist, scholar, and activist (b. 1916)
• 1991 » Don Siegel, American director and producer (b. 1912)
• 1991 » Steve Marriott, English singer-songwriter and producer (b. 1947)

1. Jan
2. Johannes
3. Robert
4. Marco
5. Peter
6. Marcel
7. Jeroen
8. Mark
9. Richard
10. Patrick
11. Michael
12. Edwin
13. Pieter
14. Cornelis
15. David
16. Johan

1. Sandra
2. Maria
3. Johanna
4. Monique
5. Esther
6. Anna
7. Saskia
8. Jolanda
9. Karin
10. Ingrid
11. Petra
12. Miranda
13. Yvonne
14. Astrid
15. Linda
16. Cornelia

• Koningin Juliana (Huis van Oranje-Nassau) was from September 4, 1948 till April 30, 1980 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet De Jong, with P.J.S. de Jong (KVP) as prime minister.
• In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
• The Netherlands had about 13.1 million citizens.
• February 2 » Idi Amin replaces President Milton Obote as leader of Uganda.
• April 10 » Ping-pong diplomacy: In an attempt to thaw relations with the United States, China hosts the U.S. table tennis team for a week-long visit.
• May 1 » Amtrak (the National Railroad Passenger Corporation) takes over operation of U.S. passenger rail service.
• July 30 » An All Nippon Airways Boeing 727 and a Japanese Air Force F-86 collide over Morioka, Iwate, Japan killing 162.
• October 27 » The Democratic Republic of the Congo is renamed Zaire.
• December 14 » Bangladesh Liberation War: Over 200 of East Pakistan's intellectuals are executed by the Pakistan Army and their local allies. (The date is commemorated in Bangladesh as Martyred Intellectuals Day.)

The temperature on April 20, 1971 was between 5.8 °C and 15.0 °C and averaged 10.3 °C. There was 0.3 hours of sunshine (2%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north.