About the day » Thursday April 23, 1964Calender converter

• LIlian van den Bos, Delft († 1978)
• Marc Ketels († 2001)
• Maarten Laming, Amersfoort
• Silvia Schifferling, Leeuwarden, Friesland, Nederland († 2006)
• Elisabeth Jansje van Lambalgen († 2001)
• Ronny Visser, Didam Montferland Gelderland Nederland († 1990)
• Bastiaan Varkevisser, Katwijk († 2015)
• Angélique Elice Marie Thérèse Krijnen, Gilze en Rijen
• Chee Yew "Ted" LIM, In Medan, Indonisia († 2000)
• Louie Samuel Wesley [WkWk Ob], Somerset, Pulaski County, Kentucky († 2012)

• Bastiaan (Bas) den Braber (84), Hei-en Boeicop
• Carolus Ludovicus Van Cauteren (53), Bornem
• Anna Cornelia Rijneveld (88), Utrecht
• Boudewina SCHIPPER (73), Goes,zl
• Anna Weldink (85), Enschede
• Catharina Johanna Steenhuijsen (75), Tilburg
• Dirk van der Eijk (81), Delft, Delft, Zuid-Holland, Netherlands
• Dirk Kaas (92), Leusden
• Constantinus Cornelius Verhaert (77), Bonheiden, Provincie Antwerpen
• Berendina Boswijk (84), Vlagtwedde, Groningen, Nederland

• 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)

• 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.
• January 23 » The 24th Amendment to the United States Constitution, prohibiting the use of poll taxes in national elections, is ratified.
• March 1 » Villarrica Volcano begins a strombolian eruption causing lahars that destroy half of the town of Coñaripe.
• July 20 » Vietnam War: Viet Cong forces attack the capital of Định Tường Province, Cái Bè, killing 11 South Vietnamese military personnel and 40 civilians (30 of whom are children).
• October 12 » The Soviet Union launches the Voskhod 1 into Earth orbit as the first spacecraft with a multi-person crew, and the first flight without pressure suits.
• December 1 » Vietnam War: U.S. President Lyndon B. Johnson and his top-ranking advisers meet to discuss plans to bomb North Vietnam.
• December 22 » The first test flight of the SR-71 (Blackbird) takes place at Air Force Plant 42 in Palmdale, California, United States.

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.