April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
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 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
Day of marriage March 9, 1922
The temperature on March 9, 1922 was between 2.7 °C and 9.7 °C and averaged 6.1 °C. There was 0.2 mm of rain. There was 3.4 hours of sunshine (30%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 8 » United States President Warren G. Harding introduces the first radio set in the White House.
June 29 » France grants 1km at Vimy Ridge "freely, and for all time, to the Government of Canada, the free use of the land exempt from all taxes".
July 20 » The League of Nations awards mandates of Togoland to France and Tanganyika to the United Kingdom.
August 22 » Michael Collins, Commander-in-chief of the Irish Free State Army, is shot dead in an ambush during the Irish Civil War.
September 27 » King Constantine I of Greece abdicates his throne in favor of his eldest son, George II.
November 14 » The British Broadcasting Company begins radio service in the United Kingdom.
Day of death January 31, 1960
The temperature on January 31, 1960 was between -0.5 and 0.5 °C. There was 4.5 mm of rain during 13.4 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 9 » President of Egypt Gamal Abdel Nasser opens construction on the Aswan Dam by detonating ten tons of dynamite to demolish twenty tons of granite on the east bank of the Nile.
May 23 » A tsunami caused by an earthquake in Chile the previous day kills 61 people in Hilo, Hawaii.
July 11 » Congo Crisis: The State of Katanga breaks away from the Democratic Republic of the Congo.
August 5 » Burkina Faso, then known as Upper Volta, becomes independent from France.
November 28 » Mauritania becomes independent of France.
December 14 » Convention against Discrimination in Education of UNESCO is adopted.
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/I76691.php : accessed October 6, 2026), "Aaltje van der Schaaf (1897-1960)".
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