The temperature on May 17, 1906 was between 6.1 °C and 14.9 °C and averaged 10.5 °C. There was 1.0 mm of rain. There was 5.7 hours of sunshine (36%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
January 22 » SSValencia runs aground on rocks on Vancouver Island, British Columbia, killing more than 130.
March 10 » The Courrières mine disaster, Europe's worst ever, kills 1099 miners in northern France.
March 31 » The Intercollegiate Athletic Association of the United States (later the National Collegiate Athletic Association) is established to set rules for college sports in the United States.
May 6 » The Russian Constitution of 1906 is adopted (on April 23 by the Julian calendar).
September 24 » Racial tensions exacerbated by rumors lead to the Atlanta Race Riot, further increasing racial segregation.
December 24 » Radio: Reginald Fessenden transmits the first radio broadcast; consisting of a poetry reading, a violin solo, and a speech.
Day of death June 25, 1921
The temperature on June 25, 1921 was between 10.2 °C and 24.5 °C and averaged 18.0 °C. There was 14.7 hours of sunshine (88%). 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.
July 22 » Rif War: The Spanish Army suffers its worst military defeat in modern times to the Berbers of the Rif region of Spanish Morocco.
September 5 » Roscoe "Fatty" Arbuckle party in San Francisco ends with the death of the young actress Virginia Rappe: One of the first scandals of the Hollywood community.
October 18 » The Crimean Autonomous Soviet Socialist Republic is formed as part of the Russian Soviet Federative Socialist Republic.
October 19 » The Portuguese Prime Minister and several officials are murdered in the Bloody Night coup.
November 14 » The Communist Party of Spain is founded, and issues the first edition of Mundo obrero.
December 6 » The Anglo-Irish Treaty is signed in London by British and Irish representatives.
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/I5887.php : accessed February 7, 2026), "Grietje Koster (1906-1921)".
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