January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
March 7 » The German liner SSKaiser Wilhelm der Grosse becomes the first ship to send wireless signals to shore.
April 5 » Archaeologists in Knossos, Crete, discover a large cache of clay tablets with hieroglyphic writing in a script they call Linear B.
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.
July 19 » The first line of the Paris Métro opens for operation.
December 18 » The Upper Ferntree Gully to Gembrook, Victoria Narrow-gauge (2ft 6 in or 762mm) Railway (now the Puffing Billy Railway) in Victoria, Australia is opened for traffic.
Day of marriage June 29, 1921
The temperature on June 29, 1921 was between 5.8 °C and 17.2 °C and averaged 12.5 °C. There was 0.1 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-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.
February 12 » Bolsheviks launch a revolt in Georgia as a preliminary to the Red Army invasion of Georgia.
February 21 » Rezā Shāh takes control of Tehran during a successful coup.
March 17 » The Second Polish Republic adopts the March Constitution.
June 15 » Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.
September 21 » A storage silo in Oppau, Germany, explodes, killing 500–600 people.
December 22 » Opening of Visva-Bharati College, also known as Santiniketan College, now Visva Bharati University, India.
Day of death March 10, 1958
The temperature on March 10, 1958 was between -6.6 °C and 2.4 °C and averaged -2.9 °C. There was 0.2 mm of rain. There was 2.3 hours of sunshine (20%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
March 26 » The African Regroupment Party is launched at a meeting in Paris.
April 26 » Final run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York City after 68years, the first U.S. passenger train to use electric locomotives.
May 9 » Alfred Hitchcock's film Vertigo has world premiere in San Francisco.
August 18 » Vladimir Nabokov's controversial novel Lolita is published in the United States.
October 4 » The current constitution of France is adopted.
November 12 » A team of rock climbers led by Warren Harding completes the first ascent of The Nose on El Capitan in Yosemite Valley.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I135941.php : accessed October 25, 2026), "Tjitze Tjoelker (1900-1958)".
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