February 6 » The Permanent Court of Arbitration, an international arbitration court at The Hague, is created when the Senate of the Netherlands ratifies an 1899 peace conference decree.
May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
July 9 » The Federation of Australia is given royal assent.
July 19 » The first line of the Paris Métro opens for operation.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of marriage February 23, 1921
The temperature on February 23, 1921 was between -2.6 °C and 10.8 °C and averaged 3.6 °C. There was 9.1 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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 12 » Acting to restore confidence in baseball after the Black Sox Scandal, Judge Kenesaw Mountain Landis is elected as Major League Baseball's first commissioner.
February 25 » Georgian capital Tbilisi falls to the invading Russian forces after heavy fighting and the Russians declare the Georgian Soviet Socialist Republic.
May 3 » West Virginia becomes the first state to legislate a broad sales tax, but does not implement it until a number of years later due to enforcement issues.
June 20 » Workers of Buckingham and Carnatic Mills in the city of Chennai, India, begin a four-month strike.
October 13 » Soviet republics sign the Treaty of Kars to formalize the borders between Turkey and the South Caucasus states.
December 6 » The Anglo-Irish Treaty is signed in London by British and Irish representatives.
Day of death July 26, 1949
The temperature on July 26, 1949 was between 15.8 °C and 26.5 °C and averaged 20.0 °C. There was 11.5 hours of sunshine (73%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
March 31 » The Dominion of Newfoundland joins the Canadian Confederation and becomes the 10th Province of Canada.
June 8 » Helen Keller, Dorothy Parker, Danny Kaye, Fredric March, John Garfield, Paul Muni and Edward G. Robinson are named in an FBI report as Communist Party members.
July 21 » The United States Senate ratifies the North Atlantic Treaty.
August 31 » The retreat of the Democratic Army of Greece in Albania after its defeat on Gramos mountain marks the end of the Greek Civil War.
September 17 » The Canadian steamship SSNoronic burns in Toronto Harbour with the loss of over 118 lives.
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I6835.php : accessed October 20, 2026), "Simon Dingemanse (1900-1949)".
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