About the day » Tuesday April 20, 1971Calender converter

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

• Antonie Brandsma (67), Marum
• Aart van de Veldhuizen (67)
• Antoine Halbes Brandsma (67), Midwolde
• Adriana van der Plasse (82), Huizen
• Anton Klosterboer (82), Lac qui Parle County, Minnesota
• Anton Kuijt (94), De Bilt
• Aaltje Bos (85)
• ANNA THERESIA LEON MENEVE (64), SINT-NIKLAAS,OOST-VLAANDEREN,BELGIE
• Aafke de Jong (70), Roden, Drenthe, Netherlands
• Anna Mosebach (89), Mülheim a. d. Ruhr

• 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. Michael
11. Patrick
12. Edwin
13. Pieter
14. Cornelis
15. David
16. Hendrik

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.
• February 27 » Doctors in the first Dutch abortion clinic (the Mildredhuis in Arnhem) start performing artificially-induced abortions.
• March 18 » Peru: a landslide crashes into Yanawayin Lake, killing 200 people at the mining camp of Chungar.
• September 13 » State police and National Guardsmen storm New York's Attica Prison to quell a prison revolt, which claimed 43 lives.
• November 10 » In Cambodia, Khmer Rouge forces attack the city of Phnom Penh and its airport, killing 44, wounding at least 30 and damaging nine aircraft.
• December 16 » Bangladesh Liberation War and Indo-Pakistani War of 1971: The ceasefire of the Pakistan Army brings an end to both conflicts. This is commemorated annually as Victory Day in Bangladesh, and as Vijay Diwas in India.

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.