January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
April 20 » Pierre and Marie Curie refine radium chloride.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
November 21 » The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
December 14 » The Commercial Pacific Cable Company lays the first Pacific telegraph cable, from San Francisco to Honolulu.
Day of marriage October 30, 1919
The temperature on October 30, 1919 was between -2.7 °C and 6.2 °C and averaged 2.1 °C. There was 0.6 mm of rain. There was 3.7 hours of sunshine (38%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 11 » Friedrich Ebert (SPD), is elected President of Germany.
March 21 » The Hungarian Soviet Republic is established becoming the first Communist government to be formed in Europe after the October Revolution in Russia.
March 23 » In Milan, Italy, Benito Mussolini founds his Fascist political movement.
June 21 » Admiral Ludwig von Reuter scuttles the German fleet at Scapa Flow, Orkney. The nine sailors killed are the last casualties of World War I.
September 11 » United States Marine Corps invades Honduras.
November 7 » The first Palmer Raid is conducted on the second anniversary of the Russian Revolution. Over 10,000 suspected communists and anarchists are arrested in 23 U.S. cities.
Day of death November 12, 1950
The temperature on November 12, 1950 was between 2.8 °C and 9.7 °C and averaged 6.2 °C. There was 4.1 mm of rain during 3.1 hours. There was 0.7 hours of sunshine (8%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 23 » The Knesset resolves that Jerusalem is the capital of Israel.
January 31 » Cold War: U.S. President Harry S. Truman announces a program to develop the hydrogen bomb.
June 28 » Korean War: Packed with its own refugees fleeing Seoul and leaving their 5th Division stranded, South Korean forces blow up the Hangang Bridge in an attempt to slow North Korea's offensive. The city falls later that day.
July 29 » Korean War: After four days, the No Gun Ri Massacre ends when the US Army 7th Cavalry Regiment is withdrawn.
August 29 » Korean War: British troops arrive in Korea to bolster the US presence there.
November 19 » US General Dwight D. Eisenhower becomes Supreme Commander of NATO-Europe.
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/I77891.php : accessed October 9, 2026), "Trijntje Koster (1902-1950)".
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