January 17 » The United States takes possession of Wake Island in the Pacific Ocean.
February 4 » The Philippine–American War begins with the Battle of Manila.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
May 30 » Pearl Hart, a female outlaw of the Old West, robs a stage coach 30 miles southeast of Globe, Arizona.
July 11 » Fiat founded by Giovanni Agnelli in Turin, Italy.
November 2 » The Boers begin their 118-day siege of British-held Ladysmith during the Second Boer War.
Day of marriage August 6, 1921
The temperature on August 6, 1921 was between 15.7 °C and 21.7 °C and averaged 17.7 °C. There was 2.2 mm of rain. There was 5.6 hours of sunshine (37%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. 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 20 » The first Constitution of Turkey is adopted, making fundamental changes in the source and exercise of sovereignty by consecrating the principle of national sovereignty.
June 12 » Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising.
July 2 » World War I: U.S. President Warren G. Harding signs the Knox–Porter Resolution formally ending the war between the United States and Germany.
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.
October 19 » The Portuguese Prime Minister and several officials are murdered in the Bloody Night coup.
December 22 » Opening of Visva-Bharati College, also known as Santiniketan College, now Visva Bharati University, India.
Day of death September 4, 1971
The temperature on September 4, 1971 was between 7.4 °C and 22.0 °C and averaged 15.9 °C. There was 5.9 hours of sunshine (44%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
April 19 » Charles Manson is sentenced to death (later commuted to life imprisonment) for conspiracy in the Tate–LaBianca murders.
May 27 » The Dahlerau train disaster, the worst railway accident in West Germany, kills 46 people and injures 25 near Wuppertal.
July 12 » The Australian Aboriginal Flag is flown for the first time.
November 15 » Intel releases the world's first commercial single-chip microprocessor, the 4004.
November 24 » During a severe thunderstorm over Washington state, a hijacker calling himself Dan Cooper (aka D. B. Cooper) parachutes from a Northwest Orient Airlines plane with $200,000 in ransom money. He has never been found.
November 27 » The Soviet space program's Mars 2 orbiter releases a descent module. It malfunctions and crashes, but it is the first man-made object to reach the surface of Mars.
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/I165889.php : accessed October 14, 2026), "Ritske Poelman (1899-1971)".
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