The temperature on May 12, 1890 was about 19.6 °C. The air pressure was 15 kgf/m2 and came mainly from the north-northeast. The airpressure was 75 cm mercury. The atmospheric humidity was 50%. Source: KNMI
January 22 » The United Mine Workers of America is founded in Columbus, Ohio.
April 14 » The Pan-American Union is founded by the First International Conference of American States in Washington, D.C.
October 12 » Uddevalla Suffrage Association is formed.
November 4 » City and South London Railway: London's first deep-level tube railway opens between King William Street and Stockwell.
December 15 » Hunkpapa Lakota leader Sitting Bull is killed on Standing Rock Indian Reservation, leading to the Wounded Knee Massacre.
December 30 » Following the Wounded Knee Massacre, the United States Army and Lakota warriors face off in the Drexel Mission Fight.
Day of death September 3, 1960
The temperature on September 3, 1960 was between 15.5 °C and 18.8 °C and averaged 16.6 °C. There was 1.8 mm of rain during 2.6 hours. There was 0.4 hours of sunshine (3%). The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 19 » Japan and the United States sign the US–Japan Mutual Security Treaty
February 26 » A New York-bound Alitalia airliner crashes into a cemetery in Shannon, Ireland, shortly after takeoff, killing 34 of the 52 persons on board.
April 19 » Students in South Korea hold a nationwide pro-democracy protest against president Syngman Rhee, eventually forcing him to resign.
June 25 » Cold War: Two cryptographers working for the United States National Security Agency left for vacation to Mexico, and from there defected to the Soviet Union.
July 12 » Orlyonok, the main Young Pioneer camp of the Russian SFSR, is founded.
November 14 » Ruby Bridges becomes the first black child to attend an all-white elementary school in Louisiana.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I22173.php : accessed February 19, 2026), "Gerardus Wesselius (1890-1960)".
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