About the day » Thursday August 21, 1975Calender converter

• Eli A. Ostby, Cedar Falls, Verenigde Staten († 2012)
• Rebecca Lynn Dieter, Newfane, Niagara, New York, Verenigde Staten († 2016)
• Kelvin Kas, Apeldoorn
• helena petronella dorothea hendrika (saskia) nooijen, helden-grashoek

• Antonia Bouwmans (81), Eerde, Noord-Brabant, Nederland
• Adrianus Johannes Oomens (65), Tilburg, Noord-Brabant, Nederland
• Albert Koning (56), Volendam
• Bastiana Kerkwijk (86), Velsen
• Aart van Beek (80), Doorn, Utrechtse Heuvelrug, Utrecht, Netherlands
• Arie Cornelisz Lanser (73), Amstelveen
• Alida Dongelmans (74), Boskoop
• Cornelia Adriana van der Pluijm (65), Waspik, Waalwijk, Noord-Brabant, Nederland
• Anna Moesker (95)
• Aukje Broekstra (79), -

• 1973 » Sergey Brin, Russian-American computer scientist and businessman, co-founded Google
• 1973 » Steve McKenna, Canadian ice hockey player and coach
• 1974 » Martin Andanar, Filipino journalist and radio host
• 1974 » Paul Mellor, Australian rugby league player and referee
• 1975 » Simon Katich, Australian cricketer and manager
• 1976 » Alex Brooks, American ice hockey player and scout
• 1976 » Jeff Cunningham, Jamaican-American soccer player
• 1976 » Ramón Vázquez, Puerto Rican-American baseball player and coach
• 1976 » Robert Miles, Australian rugby league player
• 1978 » Peter Buxton, English rugby player and manager

• 1964 » Palmiro Togliatti, Italian journalist and politician, Italian Minister of Justice (b. 1893)
• 1971 » George Jackson, American activist and author, co-founded the Black Guerrilla Family (b. 1941)
• 1974 » Buford Pusser, American police officer (b. 1937)
• 1974 » Kirpal Singh, Indian spiritual master (b. 1894)
• 1978 » Charles Eames, American architect, co-designed the Eames House (b. 1907)
• 1979 » Giuseppe Meazza, Italian footballer and manager (b. 1910)
• 1981 » Kaka Kalelkar, Indian Hindi Writer(B.1885)
• 1983 » Benigno Aquino, Jr., Filipino journalist and politician (b. 1932)
• 1988 » Ray Eames, American architect, co-designed the Eames House (b. 1912)
• 1988 » Teodoro de Villa Diaz, Filipino guitarist and songwriter (b. 1963)

• 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 Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
• The Netherlands had about 13.6 million citizens.
• August 4 » The Japanese Red Army takes more than 50 hostages at the AIA Building housing several embassies in Kuala Lumpur, Malaysia. The hostages include the U.S. consul and the Swedish Chargé d'affaires. The gunmen win the release of five imprisoned comrades and fly with them to Libya.
• September 8 » Gays in the military: US Air Force Tech Sergeant Leonard Matlovich, a decorated veteran of the Vietnam War, appears in his Air Force uniform on the cover of Time magazine with the headline "I Am A Homosexual". He is given a general discharge, later upgraded to honorable.
• September 28 » The Spaghetti House siege, in which nine people are taken hostage, takes place in London.
• November 12 » The Comoros joins the United Nations.
• November 27 » The Provisional IRA assassinates Ross McWhirter, after a press conference in which McWhirter had announced a reward for the capture of those responsible for multiple bombings and shootings across England.
• December 26 » Tu-144, the world's first commercial supersonic aircraft, surpassing Mach2, went into service.

The temperature on August 21, 1975 was between 14.3 °C and 23.4 °C and averaged 17.2 °C. There was 20.9 mm of rain during 4.2 hours. There was 2.3 hours of sunshine (16%). The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the east-northeast.