January 16 » The United States Senate accepts the Anglo-German treaty of 1899 in which the United Kingdom renounces its claims to the Samoan islands.
February 28 » The Second Boer War: The 118-day "Siege of Ladysmith" is lifted.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
May 22 » The Associated Press is formed in New York City as a non-profit news cooperative.
June 14 » Hawaii becomes a United States territory.
August 3 » The Firestone Tire and Rubber Company is founded.
Day of marriage September 14, 1918
The temperature on September 14, 1918 was between 8.9 °C and 16.1 °C and averaged 12.9 °C. There was 5.0 mm of rain. There was 0.9 hours of sunshine (7%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
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 29 » Ukrainian–Soviet War: The Bolshevik Red Army, on its way to besiege Kiev, is met by a small group of military students at the Battle of Kruty.
April 24 » World War I: First tank-to-tank combat, during the second Battle of Villers-Bretonneux. Three British Mark IVs meet three German A7Vs.
May 16 » The Sedition Act of 1918 is passed by the U.S. Congress, making criticism of the government during wartime an imprisonable offense. It will be repealed less than two years later.
June 8 » A solar eclipse is observed at Baker City, Oregon by scientists and an artist hired by the United States Navy.
December 14 » Friedrich Karl von Hessen, a German prince elected by the Parliament of Finland to become King Väinö I, renounces the Finnish throne.
Day of death September 27, 1960
The temperature on September 27, 1960 was between 3.9 °C and 15.8 °C and averaged 10.0 °C. There was 8.4 hours of sunshine (70%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 25 » The National Association of Broadcasters reacts to the "payola" scandal by threatening fines for any disc jockeys who accept money for playing particular records.
May 3 » The Off-Broadway musical comedy The Fantasticks opens in New York City's Greenwich Village, eventually becoming the longest-running musical of all time.
August 1 » Islamabad is declared the federal capital of the Government of Pakistan.
August 12 » Echo 1A, NASA's first successful communications satellite, is launched.
September 5 » Muhammad Ali (then known as Cassius Clay) wins the gold medal in the light heavyweight boxing competition at the Olympic Games in Rome.
November 3 » The land that would become the Great Swamp National Wildlife Refuge was established by an Act of Congress after a year-long legal battle that pitted local residents against Port Authority of New York and New Jersey officials wishing to turn the Great Swamp into a major regional airport for jet aircraft.
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/I1775.php : accessed February 12, 2026), "Sietske Boorsma (1900-1960)".
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