The temperature on March 16, 1911 was between -4.0 °C and 6.9 °C and averaged 0.5 °C. There was 1.3 mm of rain. There was 2.0 hours of sunshine (17%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
Day of marriage February 14, 1935
The temperature on February 14, 1935 was between 5.6 °C and 9.7 °C and averaged 7.9 °C. There was 1.8 mm of rain during 0.7 hours. There was 7.6 hours of sunshine (77%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west. Source: KNMI
April 14 » The Black Sunday dust storm, considered one of the worst storms of the Dust Bowl, swept across the Oklahoma and Texas panhandles and neighboring areas.
June 25 » Colombia–Soviet Union relations are established.
August 15 » Will Rogers and Wiley Post are killed after their aircraft develops engine problems during takeoff in Barrow, Alaska.
November 22 » The China Clipper inaugurates the first commercial transpacific air service, connecting Alameda, California with Manila.
December 17 » First flight of the Douglas DC-3.
December 30 » The Italian Air Force bombs a Swedish Red Cross hospital during the Second Italo-Abyssinian War.
Day of death July 3, 1960
The temperature on July 3, 1960 was between 8.3 °C and 15.5 °C and averaged 11.9 °C. There was 0.3 hours of sunshine (2%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 14 » The Reserve Bank of Australia, the country's central bank and banknote issuing authority, is established.
April 25 » The United States Navy submarine USSTriton completes the first submerged circumnavigation of the globe.
June 17 » The Nez Perce tribe is awarded $4million for 7million acres (28,000km) of land undervalued at four cents/acre in the 1863 treaty.
September 26 » In Chicago, the first televised debate takes place between presidential candidates Richard M. Nixon and John F. Kennedy.
November 3 » The land that would become the Great Swamp National Wildlife Refuge was established by an Act of Congress after a year-long legal battle that pitted local residents against Port Authority of New York and New Jersey officials wishing to turn the Great Swamp into a major regional airport for jet aircraft.
November 4 » At the Kasakela Chimpanzee Community in Tanzania, Dr. Jane Goodall observes chimpanzees creating tools, the first-ever observation in non-human animals.
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/I137140.php : accessed October 25, 2026), "Geert de Vries (1911-1960)".
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