About the day » Thursday April 23, 1964Calender converter

• Silvia Schifferling, Leeuwarden, Friesland, Nederland († 2006)
• David Michael McDonald - DNA1 matched († 2015)
• Bastiaan Varkevisser, Katwijk, Zuid-Holland, Nederland († 2015)
• Bastiaan "Bas" Varkevisser, Katwijk, Zuid-Holland, Nederland († 2015)
• Marc Ketels († 2001)
• Will Kuipers († 2002)
• LIlian van den Bos, Delft († 1978)
• Dana Lynne Cunningham, Wiesbaden
• Louie Samuel Wesley [WkWk Ob], Somerset, Pulaski County, Kentucky († 2012)
• Ronny Visser, Didam Montferland Gelderland Nederland († 1990)

• Bastiaan (Bas) den Braber (84), Hei-en Boeicop
• Dirk van der Eijk (81), Delft (Delft), Zuid-Holland, Nederland
• Cornelius HOEKSTRA (75), Kent County Michigan U.S.A
• Anna Maria Adriana van Son (62), Tilburg
• Dirk Kaas (92), Leusden
• Bastiaan BRABER den (84), Hei-en Boeicop, 6047, Zuid-Holland, Nederland
• Boudewina SCHIPPER (73), Goes,zl
• Cornelia VERHEIJ (74)
• Alida Idzenga (78), Amsterdam, Noord-Holland, Nederland
• Constantinus Cornelius Verhaert (77), Bonheiden, Provincie Antwerpen

• 1961 » George Lopez, American comedian, actor, and talk show host
• 1962 » John Hannah, Scottish actor and producer
• 1962 » Shaun Spiers, English businessman and politician
• 1963 » Paul Belmondo, French race car driver
• 1963 » Robby Naish, American windsurfer
• 1964 » Gianandrea Noseda, Italian pianist and conductor
• 1965 » Leni Robredo, Filipina human rights lawyer, 14th Vice President of the Philippines
• 1966 » Jörg Deisinger, German bass player
• 1966 » Lembit Oll, Estonian chess Grandmaster († 1999)
• 1966 » Matt Freeman, American bass player

• 1951 » Charles G. Dawes, American banker and politician, 30th Vice President of the United States, Nobel Peace Prize laureate (b. 1865)
• 1951 » Jules Berry, French actor and director (b. 1883)
• 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)

1. Jan
2. Johannes
3. Peter
4. Robert
5. Ronald
6. John
7. Cornelis
8. Hendrik
9. Paul
10. Pieter
11. Marcel
12. Richard
13. Mark
14. Gerrit
15. Willem
16. Johan

1. Maria
2. Johanna
3. Anna
4. Elisabeth
5. Monique
6. Yvonne
7. Cornelia
8. Jolanda
9. Anita
10. Ingrid
11. Karin
12. Catharina
13. Wilhelmina
14. Jacqueline
15. Petra
16. Caroline

• 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 July 24, 1963 to April 14, 1965 the cabinet Marijnen, with Mr. V.G.M. Marijnen (KVP) as prime minister.
• The Netherlands had about 12.0 million citizens.
• April 13 » At the Academy Awards, Sidney Poitier becomes the first African-American male to win the Best Actor award for the 1963 film Lilies of the Field.
• May 2 » Vietnam War: An explosion sinks the American aircraft carrier USNS Card while it is docked at Saigon. Two Viet Cong combat swimmers had placed explosives on the ship's hull. She is raised and returned to service less than seven months later.
• August 4 » Civil rights movement: Civil rights workers Michael Schwerner, Andrew Goodman and James Chaney are found dead in Mississippi after disappearing on June 21.
• August 27 » South Vietnamese junta leader Nguyễn Khánh enters into a triumvirate power-sharing arrangement with rival generals Trần Thiện Khiêm and Dương Văn Minh, who had both been involved in plots to unseat Khánh.
• September 4 » Scotland's Forth Road Bridge near Edinburgh officially opens.
• October 22 » Jean-Paul Sartre is awarded the Nobel Prize in Literature, but turns down the honor.

The temperature on April 23, 1964 was between 5.2 °C and 12.3 °C and averaged 8.5 °C. There was 10.3 mm of rain during 4.4 hours. There was 2.1 hours of sunshine (15%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest.