• Pieter Adrianus Maria (Peter) Buis, Hoorn
• Stephan Richard Jan-Joseph Manders 13AIF, Bakel, Noord-Brabant, Netherlands († 2013)
• Anita Stam († 2000)
• Frank Achten, Sieglar (D), Duitsland († 1985)
• Willy ten Brinke († 1966)
• Eric Shawn SALMONSON († 1970)
• Jeffrey A. Opp, Ventura, California, United States († 2005)
• Sean Jesse Wing, Eugene, Lane, Oregon, Verenigde Staten († 2013)
• Richard Wood († 1970)
• ANN VAN RAEMDONCK, SINT-NIKLAAS,OOST-VLAANDEREN,BELGIE († 2017)

• Calvin Hayes Soles (34), Richmond County, Georgia
• Abraham Boon, Middelburg
• Catharina Kreunen (69), Bloemendaal, Noord-Holland, Nederland
• Antonie Munneke (78), Amsterdam, Noord-Holland, Nederland
• Abraham Boon (52), Middelburg, Zeeland, Nederland
• Adrianus van den Eeden (63), Eindhoven, Noord-Brabant, Nederland
• Andries Johannis Birkhoff (77), Eindhoven
• Antoinette van Oultremont-Warfusée-Wégimont (81), Duras, Limburg, Vlaanderen
• * Joannes Arnoldus Jacobus Cabri (50), Amsterdam
• Cornelis van Mourik (75), Heemstede

• 1964 » Azarias Ruberwa, Congolese lawyer and politician, Vice-President of the Democratic Republic of the Congo
• 1965 » KRS-One, American rapper and producer
• 1966 » Dimebag Darrell, American guitarist and songwriter († 2004)
• 1966 » Enrico Letta, Italian lawyer and politician, 55th Prime Minister of Italy
• 1966 » Liu Chunyan, Chinese host and voice actress
• 1966 » Miguel Albaladejo, Spanish director and screenwriter
• 1967 » Andy Benes, American baseball player
• 1968 » Abdelatif Benazzi, Moroccan-French rugby player
• 1968 » Bai Yansong, Chinese host
• 1968 » Yuri Shiratori, Japanese voice actress and singer

• 1951 » İzzettin Çalışlar, Turkish general (b. 1882)
• 1961 » Percy Williams Bridgman, American physicist and academic, Nobel Prize laureate (b. 1882)
• 1963 » Joan Voûte, Dutch astronomer (b. 1879)
• 1965 » Jonathan Daniels, American seminarian and civil rights activist (b. 1939)
• 1971 » Rashid Minhas, Pakistani lieutenant and pilot (b. 1951)
• 1979 » Christian Dotremont, Belgian painter and poet (b. 1922)
• 1980 » Joe Dassin, American-French singer-songwriter (b. 1938)
• 1982 » Ulla Jacobsson, Swedish actress (b. 1929)
• 1985 » Donald O. Hebb, Canadian psychologist and academic (b. 1904)
• 1985 » Wilhelm Meendsen-Bohlken, German admiral (b. 1897)

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

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

• 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 14, 1965 to November 22, 1966 the cabinet Cals, with Mr. J.M.L.Th. Cals (KVP) as prime minister.
• In The Netherlands , there was from November 22, 1966 to April 5, 1967 the cabinet Zijlstra, with Prof. dr. J. Zijlstra (ARP) as prime minister.
• The Netherlands had about 12.4 million citizens.
• February 26 » Apollo program: Launch of AS-201, the first flight of the Saturn IB rocket
• March 5 » BOAC Flight 911, a Boeing 707 aircraft, breaks apart in mid-air due to clear-air turbulence and crashes into Mount Fuji, Japan, killing all 124 people on board.
• July 24 » Michael Pelkey makes the first BASE jump from El Capitan along with Brian Schubert. Both came out with broken bones. BASE jumping has now been banned from El Cap.
• October 17 » The 23rd Street Fire in New York City kills 12 firefighters.
• October 21 » A colliery spoil tip collapses on the village of Aberfan in Wales, killing 144 people, mostly schoolchildren.
• December 26 » The first Kwanzaa is celebrated by Maulana Karenga, the chair of Black Studies at California State University, Long Beach.

The temperature on August 20, 1966 was between 14.6 °C and 24.4 °C and averaged 19.5 °C. There was 11.0 hours of sunshine (76%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast.