The temperature on August 29, 1910 was between 13.0 °C and 18.9 °C and averaged 15.5 °C. There was 2.8 hours of sunshine (20%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
July 16 » John Robertson Duigan makes the first flight of the Duigan pusher biplane, the first aircraft built in Australia.
August 29 » The Japan–Korea Treaty of 1910, also known as the Japan–Korea Annexation Treaty, becomes effective, officially starting the period of Japanese rule in Korea.
October 11 » Piloted by Arch Hoxsey, Theodore Roosevelt becomes the first U.S. president to fly in an airplane.
October 15 » Airship America is launched from New Jersey in the first attempt to cross the Atlantic by a powered aircraft.
December 21 » An underground explosion at the Hulton Bank Colliery No. 3 Pit in Over Hulton, Westhoughton, England, kills 344 miners.
Day of death April 14, 1920
The temperature on April 14, 1920 was between 6.2 °C and 14.2 °C and averaged 10.3 °C. There was 10.1 hours of sunshine (73%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-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.
August 16 » The congress of the Communist Party of Bukhara opens. The congress would call for armed revolution.
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.
August 31 » Polish–Soviet War: A decisive Polish victory in the Battle of Komarów.
November 28 » FIDAC (The Interallied Federation of War Veterans Organisations), the first international organization of war veterans is established in Paris, France
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/I201444.php : accessed October 8, 2026), "Nicolaas Hendericus Woldijk Pott (1910-1920)".
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