January 31 » Czechoslav Trade Union Association is founded in Prague.
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 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
December 6 » London becomes the world's first city to host licensed taxicabs.
Day of marriage August 17, 1920
The temperature on August 17, 1920 was between 8.5 °C and 23.8 °C and averaged 16.1 °C. There was 12.1 hours of sunshine (83%). The average windspeed was 2 Bft (weak wind) 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.
February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
February 29 » Czechoslovak National Assembly adopts the Constitution.
August 18 » The Nineteenth Amendment to the United States Constitution is ratified, guaranteeing women's suffrage.
August 26 » The 19th amendment to United States Constitution takes effect, giving women the right to vote.
September 16 » The Wall Street bombing: A bomb in a horse wagon explodes in front of the J. P. Morgan building in New York City killing 38 and injuring 400.
September 17 » The National Football League is organized as the American Professional Football Association in Canton, Ohio.
When copying data from this family tree, please include a reference to the origin: P.Heres, "Family tree Van Apeldoorn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-apeldoorn/I1099521787.php : accessed September 26, 2024), "Aartje Konijnenberg (1897-????)".
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