About the day » Sunday April 11, 1971Calender converter

• Meta Adriana (Mirjam) van Straten, Zijderveld († 1971)

• Catharina Maria Petronella Westphal (73), Den Haag
• Catharina Maria Petronella Westphal (73), Den Haag
• Adriana Antoinette Bierman (86), Wassenaar
• Aaltje van Asselt (69), Elspeet (Ermelo)
• Anna Maria Geertruida Paulussen (83), Apeldoorn
• Arne Lagesen (65), Stod, Steinkjer, Nord Trøndelag Norge
• Antje Markus Dalstra Van der Meer (89), Drachten, Boelenslaan, Achtkarspelen, Friesland, Netherlands
• Anna Elisabeth Groeneveld (80), Haarlem
• Anna Henri√´tte Kloot (49), Amsterdam, Amsterdam, Noord Holland, Nederland
• Adriana Fun (82), Ooltgensplaat, Goeree Overflakkee

• 1968 » Sergei Lukyanenko, Kazakh-Russian journalist and author
• 1969 » Cerys Matthews, Welsh singer-songwriter
• 1969 » Michael von Grünigen, Swiss skier
• 1970 » Trevor Linden, Canadian ice hockey player and manager
• 1971 » Oliver Riedel, German bass player
• 1972 » Allan Théo, French singer
• 1972 » Balls Mahoney, American wrestler († 2016)
• 1972 » Jason Varitek, American baseball player and manager
• 1972 » Jennifer Esposito, American actress and writer
• 1973 » Olivier Magne, French rugby player

• 1962 » George Poage, American hurdler and educator (b. 1880)
• 1962 » Ukichiro Nakaya, Japanese physicist and academic (b. 1900)
• 1967 » Donald Sangster, Jamaican lawyer and politician, 2nd Prime Minister of Jamaica (b. 1911)
• 1967 » Thomas Farrell, American general (b. 1891)
• 1970 » Cathy O'Donnell, American actress (b. 1923)
• 1970 » John O'Hara, American novelist and short story writer (b. 1905)
• 1974 » Ernst Ziegler, German actor (b. 1894)
• 1977 » Jacques Prévert, French poet and screenwriter (b. 1900)
• 1977 » Phanishwar Nath 'Renu', Indian author and activist (b. 1921)
• 1980 » Ümit Kaftancıoğlu, Turkish journalist and producer (b. 1935)

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.
• February 9 » The 6.5–6.7 M_w  Sylmar earthquake hits the Greater Los Angeles Area with a maximum Mercalli intensity of XI (Extreme), killing 64 and injuring 2,000.
• February 26 » U.N. Secretary-General U Thant signs United Nations proclamation of the vernal equinox as Earth Day.
• 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 20 » Having weakened after making landfall in Nicaragua the previous day, Hurricane Irene regains enough strength to be renamed Hurricane Olivia, making it the first known hurricane to cross from the Atlantic Ocean into the Pacific.
• October 29 » In Macon, Georgia, guitarist Duane Allman is killed in a motorcycle accident.

The temperature on April 11, 1971 was between 2.9 °C and 7.6 °C and averaged 5.6 °C. The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast.