January 23 » The Malolos Constitution is inaugurated, establishing the First Philippine Republic. Emilio Aguinaldo is sworn in as its first President.
February 14 » Voting machines are approved by the U.S. Congress for use in federal elections.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
April 18 » The St. Andrew's Ambulance Association is granted a royal charter by Queen Victoria.
July 29 » The First Hague Convention is signed.
September 23 » The American Asiatic Squadron destroys a Filipino battery at the Battle of Olongapo.
Day of marriage October 31, 1930
The temperature on October 31, 1930 was between 6.7 °C and 13.0 °C and averaged 10.4 °C. There was 0.6 mm of rain during 0.3 hours. There was 0.3 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 10 » The Việt Nam Quốc Dân Đảng launches the failed Yên Bái mutiny in hope to overthrow French protectorate over Vietnam.
March 31 » The Motion Picture Production Code is instituted, imposing strict guidelines on the treatment of sex, crime, religion and violence in film, in the U.S., for the next thirty-eight years.
April 22 » The United Kingdom, Japan and the United States sign the London Naval Treaty regulating submarine warfare and limiting shipbuilding.
August 29 » The last 36 remaining inhabitants of St Kilda are voluntarily evacuated to other parts of Scotland.
September 6 » Democratically elected Argentine president Hipólito Yrigoyen is deposed in a military coup.
November 11 » Patent number US1781541 is awarded to Albert Einstein and Leó Szilárd for their invention, the Einstein refrigerator.
Day of death May 20, 1962
The temperature on May 20, 1962 was between 6.7 °C and 14.7 °C and averaged 10.2 °C. There was 0.3 mm of rain during 0.5 hours. There was 8.7 hours of sunshine (55%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 3 » Pope John XXIII excommunicates Fidel Castro.
August 15 » James Joseph Dresnok defects to North Korea after running across the Korean Demilitarized Zone. Dresnok died in 2016.
August 16 » Eight years after the remaining French India territories were handed to India, the ratifications of the treaty are exchanged to make the transfer official.
August 17 » Peter Fechter is shot and bleeds to death while trying to cross the new Berlin Wall.
November 24 » The influential British satirical television programme That Was the Week That Was is first broadcast.
December 11 » Arthur Lucas, convicted of murder, is the last person to be executed in Canada.
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/I215317.php : accessed February 21, 2026), "Lucas Oosting (1899-1962)".
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