January 30 » The first Anglo-Japanese Alliance is signed in London.
March 7 » Second Boer War: Boers, led by Koos de la Rey, inflict the biggest defeat upon the British since the beginning of the war, at Tweebosch.
May 31 » Second Boer War: The Treaty of Vereeniging ends the war and ensures British control of South Africa.
August 9 » Edward VII and Alexandra of Denmark are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
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.
January 5 » The German Workers' Party, which would become the Nazi Party, is founded in Munich.
January 18 » World War I: The Paris Peace Conference opens in Versailles, France.
April 16 » Mohandas Gandhi organizes a day of "prayer and fasting" in response to the killing of Indian protesters in the Jallianwala Bagh massacre by the British colonial troops three days earlier.
May 19 » Mustafa Kemal Atatürk lands at Samsun on the Anatolian Black Sea coast, initiating what is later termed the Turkish War of Independence.
June 4 » Women's rights: The U.S. Congress approves the 19th Amendment to the United States Constitution, which guarantees suffrage to women, and sends it to the U.S. states for ratification.
July 6 » The British dirigible R34 lands in New York, completing the first crossing of the Atlantic Ocean by an airship.
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).
May 19 » A barge containing munitions destined for Pakistan explodes in the harbor at South Amboy, New Jersey, devastating the city.
June 1 » The Chinchaga fire ignites. By September, it would become the largest single fire on record in North America.
June 3 » Herzog and Lachenal of the French Annapurna expedition become the first climbers to reach the summit of an 8,000-metre peak.
June 28 » Korean War: Suspected communist sympathizers (between 60,000 to 200,000) are executed in the Bodo League massacre.
October 7 » Mother Teresa establishes the Missionaries of Charity.
November 26 » Korean War: Troops from the People's Republic of China launch a massive counterattack in North Korea against South Korean and United Nations forces (Battle of the Ch'ongch'on River and Battle of Chosin Reservoir), ending any hopes of a quick end to the conflict.
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 January 8, 2026), "Trijntje Koster (1902-1950)".
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