About the day » Friday April 23, 1971Calender converter

• Marco Patrick van Dam, Bedum
• Katlijne Antoinette Johanna Cornelie Marie van Meerwijk, Geldrop, Noord-Brabant, Nederland
• Epko Jan Jans Jensma, Minnertsga, Barradeel, Friesland, Nederland († 1995)

• Adrianus Johannes Bertens (70), Tilburg
• Aaltje Zoet (54), Elburg
• Bertie Estelle Corbitt (70)
• Alida_Maria van der Lem (85), Beverwijk
• Agnes MULDER
• Albertha van Wilsum (70)
• Adrianus Cornelis de Groot (54), Heerle (Wouw), N-Br, NL
• Anna Smid (67), Enschede, Enschede, Overijssel, Netherlands
• Adriana Francisca Cornelia Janssens (94), Den Dungen
• Alida Maria van der Lem (85), Velsen Noord

• 1969 » Martín López-Zubero, American-Spanish swimmer and coach
• 1970 » Andrew Gee, Australian rugby league player and manager
• 1970 » Dennis Culp, American singer-songwriter and trombonist
• 1970 » Egemen Bağış, Turkish politician, 1st Minister of European Union Affairs
• 1970 » Hans Välimäki, Finnish chef and author
• 1970 » Tayfur Havutçu, Turkish international footballer and manager
• 1971 » Uli Herzner, German-American fashion designer
• 1972 » Amira Medunjanin, singer from Bosnia and Herzegovina
• 1972 » Peter Dench, English photographer and journalist
• 1972 » Pierre Labrie, Canadian poet and playwright

• 1959 » Bak Jungyang, Korean politician
• 1965 » George Adamski, Polish-American ufologist and author (b. 1891)
• 1966 » George Ohsawa, Japanese founder of the Macrobiotic diet (b. 1893)
• 1981 » Josep Pla, Catalan journalist and author (b. 1897)
• 1983 » Buster Crabbe, American swimmer and actor (b. 1908)
• 1984 » Red Garland, American pianist (b. 1923)
• 1985 » Frank Farrell, Australian rugby league player and policeman (b. 1916)
• 1985 » Sam Ervin, American lawyer and politician (b. 1896)
• 1986 » Harold Arlen, American composer (b. 1905)
• 1986 » Jim Laker, English cricketer and sportscaster (b. 1922)

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. 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 5 » In Sri Lanka, Janatha Vimukthi Peramuna launches a revolt against the United Front government of Sirimavo Bandaranaike.
• April 17 » The Provisional Government of Bangladesh is formed.
• April 19 » Charles Manson is sentenced to death (later commuted to life imprisonment) for conspiracy in the Tate–LaBianca murders.
• July 30 » An All Nippon Airways Boeing 727 and a Japanese Air Force F-86 collide over Morioka, Iwate, Japan killing 162.
• August 9 » The Troubles: The British Army in Northern Ireland launches Operation Demetrius. Hundreds of people are arrested and interned, thousands are displaced, and twenty are killed in the violence that followed.
• September 3 » Qatar becomes an independent state.

The temperature on April 23, 1971 was between 12.5 °C and 22.9 °C and averaged 18.2 °C. There was 2.9 mm of rain during 1.6 hours. There was 1.3 hours of sunshine (9%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast.