The temperature on January 21, 1920 was between 3.2 °C and 7.8 °C and averaged 4.9 °C. There was 5.0 mm of rain. There was 0.5 hours of sunshine (6%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-northwest. 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 7 » The New York State Assembly refuses to seat five duly elected Socialist assemblymen.
January 16 » The League of Nations holds its first council meeting in Paris, France.
March 13 » The Kapp Putsch briefly ousts the Weimar Republic government from Berlin.
July 15 » The Polish Parliament establishes Silesian Voivodeship before the Polish-German plebiscite.
August 20 » The National Football League is organized as the American Professional Football Conference in Canton, Ohio
September 1 » The Fountain of Time opens as a tribute to the 100 years of peace between the United States and Great Britain following the Treaty of Ghent.
Day of marriage March 20, 1941
The temperature on March 20, 1941 was between -0.6 °C and 8.4 °C and averaged 3.8 °C. There was 1.4 hours of sunshine (12%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
April 1 » A military coup in Iraq overthrows the regime of 'Abd al-Ilah and installs Rashid Ali al-Gaylani as Prime Minister.
May 8 » World War II: The German Luftwaffe launches a bombing raid on Nottingham and Derby.
June 26 » World War II: Soviet planes bomb Kassa, Hungary (now Košice, Slovakia), giving Hungary the impetus to declare war the next day.
July 20 » Soviet leader Joseph Stalin consolidates the Commissariats of Home Affairs and National Security to form the NKVD and names Lavrentiy Beria its chief.
October 2 » World War II: In Operation Typhoon, the Wehrmacht attempts to capture Moscow before the onset of winter.
December 21 » World War II: A formal treaty of alliance between Thailand and Japan is signed in the presence of the Emerald Buddha in Wat Phra Kaew, Thailand.
Day of death March 30, 1968
The temperature on March 30, 1968 was between 4.0 °C and 19.5 °C and averaged 10.0 °C. There was 0.4 mm of rain during 0.7 hours. There was 8.7 hours of sunshine (68%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
January 31 » Vietnam War: Viet Cong guerrillas attack the United States embassy in Saigon, and other attacks, in the early morning hours, later grouped together as the Tet Offensive.
June 30 » Pope Paul VI issues the Credo of the People of God.
July 17 » Abdul Rahman Arif is overthrown and the Ba'ath Party is installed as the governing power in Iraq with Ahmed Hassan al-Bakr as the new Iraqi President.
October 16 » Kingston, Jamaica is rocked by the Rodney riots, inspired by the barring of Walter Rodney from the country.
November 22 » The Beatles release The Beatles (known popularly as The White Album).
December 20 » The Zodiac Killer kills Betty Lou Jenson and David Faraday in Vallejo, California.
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/I3207.php : accessed January 26, 2026), "Gjalt Gjaltema (1920-1968)".
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