The temperature on June 18, 1909 was between 6.7 °C and 16.4 °C and averaged 11.8 °C. There was 1.8 hours of sunshine (11%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 25 » Richard Strauss's opera Elektra receives its debut performance at the Dresden State Opera.
February 12 » The National Association for the Advancement of Colored People (NAACP) is founded.
February 20 » Publication of the Futurist Manifesto in the French journal Le Figaro.
April 6 » Robert Peary and Matthew Henson become the first people to reach the North Pole; Peary's claim has been disputed because of failings in his navigational ability.
September 23 » The novel Le Fantôme de l'Opéra (The Phantom of the Opera), by Gaston Leroux, is published as a serialization in Le Gaulois.
December 4 » In Canadian football, the First Grey Cup game is played. The University of Toronto Varsity Blues defeat the Toronto Parkdale Canoe Club, 26–6.
Day of marriage July 4, 1935
The temperature on July 4, 1935 was between 12.4 °C and 21.1 °C and averaged 16.5 °C. There was 1.1 mm of rain during 2.1 hours. There was 1.9 hours of sunshine (11%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
February 12 » USSMacon, one of the two largest helium-filled airships ever created, crashes into the Pacific Ocean off the coast of California and sinks.
May 25 » Jesse Owens of Ohio State University breaks three world records and ties a fourth at the Big Ten Conference Track and Field Championships in Ann Arbor, Michigan.
July 1 » Regina, Saskatchewan police and Royal Canadian Mounted Police ambush strikers participating in the On-to-Ottawa Trek.
July 24 » The Dust Bowl heat wave reaches its peak, sending temperatures to 109°F (43°C) in Chicago and 104°F (40°C) in Milwaukee.
July 28 » First flight of the Boeing B-17 Flying Fortress.
August 15 » Will Rogers and Wiley Post are killed after their aircraft develops engine problems during takeoff in Barrow, Alaska.
Day of death July 31, 2000
The temperature on July 31, 2000 was between 11.6 °C and 23.2 °C and averaged 18.3 °C. There was 11.1 hours of sunshine (71%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
February 4 » The World Summit Against Cancer for the New Millennium, Charter of Paris is signed by the President of France, Jacques Chirac and the Director General of UNESCO, Koichiro Matsuura, initiating World Cancer Day which is held on February 4 every year.
April 3 » United States v. Microsoft Corp.: Microsoft is ruled to have violated United States antitrust law by keeping "an oppressive thumb" on its competitors.
May 25 » Liberation Day of Lebanon: Israel withdraws its army from Lebanese territory (with the exception of the disputed Shebaa farms zone) 18 years after the invasion of 1982.
June 7 » The United Nations defines the Blue Line as the border between Israel and Lebanon.
September 10 » Operation Barras successfully frees six British soldiers held captive for over two weeks and contributes to the end of the Sierra Leone Civil War.
November 17 » A catastrophic landslide in Log pod Mangartom, Slovenia, kills seven, and causes millions of SIT of damage. It is one of the worst catastrophes in Slovenia in the past 100 years.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I76438.php : accessed February 17, 2026), "Onne de Boer (1909-2000)".
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