January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
January 30 » The first Anglo-Japanese Alliance is signed in London.
June 28 » The U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.
August 22 » Cadillac Motor Company is founded.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
December 14 » The Commercial Pacific Cable Company lays the first Pacific telegraph cable, from San Francisco to Honolulu.
Day of marriage May 17, 1930
The temperature on May 17, 1930 was between 6.3 °C and 19.7 °C and averaged 13.8 °C. There was 5.7 hours of sunshine (36%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
May 1 » "Pluto" is officially proposed for the name of the newly-discovered dwarf planet Pluto by Vesto Slipher in the Lowell Observatory Observation Circular. The name quickly catches on.
June 16 » Sovnarkom establishes decree time in the USSR.
June 21 » One-year conscription comes into force in France.
August 7 » The last confirmed lynching of blacks in the Northern United States occurs in Marion, Indiana; two men, Thomas Shipp and Abram Smith, are killed.
October 27 » Ratifications exchanged in London for the first London Naval Treaty go into effect immediately, further limiting the expensive naval arms race among its five signatories.
December 29 » Sir Muhammad Iqbal's presidential address in Allahabad introduces the two-nation theory and outlines a vision for the creation of Pakistan.
Day of death March 29, 1984
The temperature on March 29, 1984 was between 0.7 °C and 8.1 °C and averaged 5.3 °C. There was 2.1 mm of rain during 3.8 hours. There was 0.5 hours of sunshine (4%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 22 » The Apple Macintosh, the first consumer computer to popularize the computer mouse and the graphical user interface, is introduced during a Super Bowl XVIII television commercial.
February 10 » Kenyan soldiers kill an estimated 5000 ethnic Somali Kenyans in the Wagalla massacre.
April 4 » President Ronald Reagan calls for an international ban on chemical weapons.
August 15 » The Kurdistan Workers' Party in Turkey starts a campaign of armed attacks upon the Turkish military with an attack on police and gendarmerie bases in Şemdinli and Eruh
October 11 » Aboard the Space Shuttle Challenger, astronaut Kathryn D. Sullivan becomes the first American woman to perform a space walk.
October 16 » Desmond Tutu is awarded the Nobel Peace Prize.
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/I1789.php : accessed February 14, 2026), "Wikje Koster (1902-1984)".
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