February 9 » The Davis Cup competition is established.
June 5 » Second Boer War: British soldiers take Pretoria.
June 14 » The second German Naval Law calls for the Imperial German Navy to be doubled in size, resulting in an Anglo-German naval arms race.
June 17 » Boxer Rebellion: Western Allied and Japanese forces capture the Taku Forts in Tianjin, China.
July 9 » The Federation of Australia is given royal assent.
December 19 » Hopetoun Blunder: The first Governor-General of Australia John Hope, 7th Earl of Hopetoun, appoints Sir William Lyne premier of the new state of New South Wales, but he is unable to persuade other colonial politicians to join his government and is forced to resign.
Day of marriage April 8, 1921
The temperature on April 8, 1921 was between -0.7 °C and 12.4 °C and averaged 6.5 °C. There was 10.3 hours of sunshine (77%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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.
February 27 » The International Working Union of Socialist Parties is founded in Vienna.
March 1 » Following mass protests in Petrograd demanding greater freedom in the RSFSR, the Kronstadt rebellion began, with sailors and citizens taking up arms against the Bolsheviks.
March 6 » Portuguese Communist Party is founded as the Portuguese Section of the Communist International.
March 31 » The Royal Australian Air Force is formed.
July 10 » Belfast's Bloody Sunday: Sixteen people are killed and 161 houses destroyed during rioting and gun battles in Belfast, Northern Ireland.
August 28 » The Red Army dissolved the Free Territory, after driving the Black Army out of Ukraine.
Day of death January 30, 1961
The temperature on January 30, 1961 was between 6.5 °C and 9.3 °C and averaged 7.6 °C. There was 20.6 mm of rain during 8.1 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 23 » The Portuguese luxury cruise ship Santa Maria is hijacked by opponents of the Estado Novo regime with the intention of waging war until dictator António de Oliveira Salazar is overthrown.
February 12 » The Soviet Union launches Venera 1 towards Venus.
February 14 » Discovery of the chemical elements: Element 103, Lawrencium, is first synthesized at the University of California.
April 9 » The Pacific Electric Railway in Los Angeles, once the largest electric railway in the world, ends operations.
May 31 » The South African Constitution of 1961 becomes effective, thus creating the Republic of South Africa, which remains outside the Commonwealth of Nations until 1 June 1994, when South Africa is returned to Commonwealth membership.
September 11 » Hurricane Carla strikes the Texas coast as a Category 4 hurricane, the second strongest storm ever to hit the state.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Geurt Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/geurt-jacobs/I9354.php : accessed February 18, 2026), "Janna Geurts (1900-1961)".
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