About the day » Tuesday May 11, 1971Calender converter

• William Heesterbeek, Bergeijk († 2003)
• Eduard, Henricus, Bernardus Roozen († 2003)
• Patricia Boneschans, Rock Rapids, Lyon County, Iowa († 2023)
• Mathi Gijbels
• Gerald Beekelaar, Hoogeveen, Drenthe, Nederland
• Eduard Weening, Zaandam († 1971)
• Jason van de Hoef, Sioux Center, Sioux County, Iowa († 2015)
• Maria Cornelia Elisabeth (Mireille) Vorstenbosch, Udenhout

• Anna Notermans (64), Valkenburg,, Limburg, Nederland
• Anna Schaap (68), Leiden, Zuid-Holland, Nederland
• Claudia Chadwell (63), Kenton County, Kentucky, Verenigde Staten
• Arjen de Jong (95), Haskerhorne, Haskerland
• Gouzinne (64), Duitsland
• Antonia Broos (75), Steenbergen, N-Br, NL
• Alida den Oude (72), Leiden
• Albertus Veenink (75)
• Adronie Beernaert (82), Anzegem,8570,West-Vlaanderen,België
• Adrianus Johannes Schoonus (77), Valkenburg aan de Geul

• 1967 » Alberto García Aspe, Mexican footballer and manager
• 1969 » Mitch Healey, Australian rugby league player and coach
• 1969 » Simon Vroemen, Dutch runner
• 1970 » Harold Ford, Jr., American lawyer and politician
• 1970 » Jason Queally, English cyclist
• 1972 » Tomáš Dvořák, Czech decathlete and coach
• 1973 » Tsuyoshi Ogata, Japanese runner
• 1974 » Darren Ward, English-Welsh footballer and coach
• 1974 » Tony Warner, English born Trinidadian international footballer and coach
• 1975 » Francisco Cordero, Dominican-American baseball player

• 1955 » Gilbert Jessop, English cricketer (b. 1874)
• 1960 » John D. Rockefeller Jr., American businessman and philanthropist (b. 1874)
• 1963 » Herbert Spencer Gasser, American physiologist and academic, Nobel Prize laureate (b. 1888)
• 1967 » James E. Brewton, American painter (b. 1930)
• 1979 » Lester Flatt, American singer-songwriter and guitarist (b. 1914)
• 1981 » Bob Marley, Jamaican singer-songwriter and guitarist (b. 1945)
• 1981 » Odd Hassel, Norwegian chemist and academic, Nobel Prize laureate (b. 1897)
• 1983 » Zenna Henderson, American writer (b. 1917)
• 1985 » Chester Gould, American cartoonist, created Dick Tracy (b. 1900)
• 1986 » Fritz Pollard, American football player and coach (b. 1894)

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. Ingrid
10. Karin
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.
• April 19 » Charles Manson is sentenced to death (later commuted to life imprisonment) for conspiracy in the Tate–LaBianca murders.
• August 18 » Vietnam War: Australia and New Zealand decide to withdraw their troops from Vietnam.
• August 27 » An attempted coup d'état fails in the African nation of Chad. The Government of Chad accuses Egypt of playing a role in the attempt and breaks off diplomatic relations.
• November 21 » Indian troops, partly aided by Mukti Bahini (Bengali guerrillas), defeat the Pakistan army in the Battle of Garibpur.
• December 4 » The Indian Navy attacks the Pakistan Navy and Karachi.
• December 5 » Battle of Gazipur: Pakistani forces stand defeated as India cedes Gazipur to Bangladesh.

The temperature on May 11, 1971 was between 8.6 °C and 25.0 °C and averaged 17.7 °C. There was -0.1 mm of rain. There was 13.6 hours of sunshine (88%). The average windspeed was 1 Bft (weak wind) and was prevailing from the east-northeast.