January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
March 6 » Real Madrid CF is founded.
April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
May 8 » In Martinique, Mount Pelée erupts, destroying the town of Saint-Pierre and killing over 30,000 people. Only a handful of residents survive the blast.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
August 22 » Cadillac Motor Company is founded.
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.
May 16 » A naval Curtiss NC-4 aircraft commanded by Albert Cushing Read leaves Trepassey, Newfoundland, for Lisbon via the Azores on the first transatlantic flight.
June 23 » Estonian War of Independence: The decisive defeat of the Baltische Landeswehr in the Battle of Cēsis; this date is celebrated as Victory Day in Estonia.
July 6 » The British dirigible R34 lands in New York, completing the first crossing of the Atlantic Ocean by an airship.
July 13 » The British airship R34 lands in Norfolk, England, completing the first airship return journey across the Atlantic in 182 hours of flight.
July 27 » The Chicago Race Riot erupts after a racial incident occurred on a South Side beach, leading to 38 fatalities and 537 injuries over a five-day period.
August 11 » Germany's Weimar Constitution is signed into law.
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 17 » The Great Brink's Robbery: Eleven thieves steal more than $2 million from an armored car company's offices in Boston.
May 19 » A barge containing munitions destined for Pakistan explodes in the harbor at South Amboy, New Jersey, devastating the city.
August 29 » Korean War: British troops arrive in Korea to bolster the US presence there.
October 21 » Korean War: Heavy fighting begins between British and Australian forces against the North Koreans during the Battle of Yongju.
November 8 » Korean War: United States Air Force Lt. Russell J. Brown, while piloting an F-80 Shooting Star, shoots down two North Korean MiG-15s in the first jet aircraft-to-jet aircraft dogfight in history.
November 25 » The Great Appalachian Storm of November 1950 impacts 22 American states, killing 353 people, injuring over 160, and causing US$66.7 million in damages (1950 dollars).
When copying data from this family tree, please include a reference to the origin: Tjitze Koster, "Family tree Koster Twijslerheide e.o.", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koster/I1815.php : accessed March 9, 2026), "Trijntje Koster (1902-1950)".
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