The temperature on June 13, 1910 was between 12.9 °C and 19.7 °C and averaged 15.5 °C. There was 0.2 mm of rain. There was 0.5 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
June 19 » The first Father's Day is celebrated in Spokane, Washington.
July 16 » John Robertson Duigan makes the first flight of the Duigan pusher biplane, the first aircraft built in Australia.
August 29 » The Japan–Korea Treaty of 1910, also known as the Japan–Korea Annexation Treaty, becomes effective, officially starting the period of Japanese rule in Korea.
October 1 » A large bomb destroys the Los Angeles Times building, killing 21.
October 22 » Hawley Harvey Crippen (the first felon to be arrested with the help of radio) is convicted of poisoning his wife.
Day of marriage June 23, 1934
The temperature on June 23, 1934 was between 10.8 °C and 20.8 °C and averaged 15.1 °C. There was 11.0 hours of sunshine (66%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
February 16 » The Austrian Civil War ends with the defeat of the Social Democrats and the Republikanischer Schutzbund.
June 19 » The Communications Act of 1934 establishes the United States' Federal Communications Commission (FCC).
September 1 » The first Metro-Goldwyn-Mayer animated cartoon, The Discontented Canary, is released to movie theatres.
September 22 » The Gresford disaster in Wales kills 266 miners and rescuers.
December 1 » In the Soviet Union, Politburo member Sergey Kirov is assassinated. Stalin uses the incident as a pretext to initiate the Great Purge.
December 11 » Bill Wilson, co-founder of Alcoholics Anonymous, takes his last drink and enters treatment for the final time.
Day of death October 15, 1973
The temperature on October 15, 1973 was between 6.7 °C and 11.7 °C and averaged 9.0 °C. There was 0.9 mm of rain during 1.8 hours. There was 0.1 hours of sunshine (1%). The almost completely overcast was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
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.
April 28 » The Dark Side of the Moon by Pink Floyd, recorded in Abbey Road Studios goes to number one on the US Billboard chart, beginning a record-breaking 741-week chart run.
June 20 » Aeroméxico Flight 229 crashes on approach to Licenciado Gustavo Díaz Ordaz International Airport, killing all 27 people on board.
July 13 » Watergate scandal: Alexander Butterfield reveals the existence of a secret Oval Office taping system to investigators for the Senate Watergate Committee.
July 25 » Soviet Mars 5 space probe is launched.
November 24 » A national speed limit is imposed on the Autobahn in Germany because of the 1973 oil crisis. The speed limit lasts only four months.
December 1 » Papua New Guinea gains self-governance from Australia.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I325366.php : accessed February 12, 2026), "Jan de Jong (1910-1973)".
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