About the day » Friday May 21, 1971Calender converter

• Ilona Terstall, Amsterdam
• Rebecca Vaun Ward, Tulsa County, Oklahoma, Verenigde Staten († 2010)
• Marcus Antonius Schuurmans, Berghem, Noord-Brabant, Nederland
• Linette Marie Benson, St Paul, Ramsey, Minnesota, Verenigde Staten († 1997)
• Raymond Vincent Oosterhof, Eindhoven († 2010)

• Christian W Krueger (52), Hot Springs, Fall River, South Dakota, Verenigde Staten
• Alfonso Montalvo (70), San Antonio, Bexar, Texas, Verenigde Staten
• Antoine DE HALLOY DE WAULSORT (62), Beersel Flemish Brabant Belgium
• Albertus Schovers (75), Surhuisterveen
• Anje Schanssema (87), Appingedam
• Celestien Van de Kauter (76), Zwijnaarde
• Albertus Biek (59)
• Andrew Cornelius Lieuwen (86)
• Berendina Nijman (102)
• Anje Geertsdr Schanssema- (87), Appingedam, Nederland

• 1969 » Brian Statham, Rhodesian born English footballer, defender and manager
• 1969 » George LeMieux, American lawyer and politician
• 1969 » Georgiy Gongadze, Georgian-Ukrainian journalist and director († 2000)
• 1969 » Masayo Kurata, Japanese voice actress and singer
• 1969 » Pierluigi Brivio, Italian footballer
• 1970 » Brigita Bukovec, Slovenian hurdler
• 1970 » Carl Veart, Australian footballer and coach
• 1970 » Dorsey Levens, American football player and sportscaster
• 1970 » Pauline Menczer, Australian surfer
• 1972 » The Notorious B.I.G., American rapper († 1997)

• 1964 » James Franck, German physicist and academic, Nobel Prize laureate (b. 1882)
• 1965 » Geoffrey de Havilland, English pilot and engineer, designed the de Havilland Mosquito (b. 1882)
• 1965 » Marguerite Bise, French chef (b. 1898)
• 1968 » Doris Lloyd, English actress (b. 1896)
• 1970 » E. L. Grant Watson, English-Australian biologist and author (b. 1885)
• 1973 » Ivan Konev, Soviet Marshal and general (b. 1897)
• 1973 » Vaughn Monroe, American singer, trumpet player, bandleader, and actor (b. 1911)
• 1981 » Patsy O'Hara, INLA volunteer (b. 1957)
• 1981 » Raymond McCreesh, PIRA volunteer (b. 1957)
• 1983 » Kenneth Clark, English historian and author (b. 1903)

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.
• May 3 » Erich Honecker becomes First Secretary of the Socialist Unity Party of Germany, remaining in power until 1989.
• August 10 » The Society for American Baseball Research is founded in Cooperstown, New York.
• August 14 » Bahrain declares independence as the State of Bahrain.
• August 22 » J. Edgar Hoover and John Mitchell announce the arrest of 20 of the Camden 28.
• September 9 » The four-day Attica Prison riot begins, eventually resulting in 39 dead, most killed by state troopers retaking the prison.
• November 6 » The United States Atomic Energy Commission tests the largest U.S. underground hydrogen bomb, code-named Cannikin, on Amchitka Island in the Aleutians.

The temperature on May 21, 1971 was between 6.8 °C and 18.3 °C and averaged 13.0 °C. There was 14.7 hours of sunshine (92%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast.