January 31 » Czechoslav Trade Union Association is founded in Prague.
April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
Day of marriage May 14, 1921
The temperature on May 14, 1921 was between 8.5 °C and 25.0 °C and averaged 16.3 °C. There was 10.5 hours of sunshine (67%). The average windspeed was 2 Bft (weak 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.
March 20 » The Upper Silesia plebiscite was a plebiscite mandated by the Versailles Treaty to determine a section of the border between Weimar Germany and Poland.
May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
July 10 » Belfast's Bloody Sunday: Sixteen people are killed and 161 houses destroyed during rioting and gun battles in Belfast, Northern Ireland.
July 23 » The Communist Party of China (CPC) is established at the founding National Congress.
July 29 » Adolf Hitler becomes leader of the National Socialist German Workers Party.
November 4 » The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich.
Day of death March 9, 1968
The temperature on March 9, 1968 was between 1.7 °C and 7.5 °C and averaged 4.9 °C. There was 2.0 hours of sunshine (18%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
March 16 » General Motors produces its 100 millionth automobile, the Oldsmobile Toronado.
April 23 » Vietnam War: Student protesters at Columbia University in New York City take over administration buildings and shut down the university.
August 28 » The police rioted during the Democratic National Convention, beating up anti-war protesters, peaceful demonstrators, innocent bystanders, and members of the press.
September 2 » Operation OAU begins during the Nigerian Civil War.
September 6 » Swaziland becomes independent.
October 14 » Jim Hines becomes the first man ever to break the so-called "ten-second barrier" in the 100-meter sprint with a time of 9.95 seconds.
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/I109161.php : accessed October 11, 2026), "Antje Nijholt (1897-1968)".
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