The temperature on July 3, 1920 was between 13.2 °C and 21.9 °C and averaged 16.9 °C. There was 10.8 mm of rain. There was 3.5 hours of sunshine (21%). The average windspeed was 2 Bft (weak wind) and was prevailing from the 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.
February 2 » The Tartu Peace Treaty is signed between Estonia and Russia.
February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
July 29 » Construction of the Link River Dam begins as part of the Klamath Reclamation Project.
August 31 » Polish–Soviet War: A decisive Polish victory in the Battle of Komarów.
September 17 » The National Football League is organized as the American Professional Football Association in Canton, Ohio.
December 3 » Following more than a month of Turkish–Armenian War, the Turkish dictated Treaty of Alexandropol is concluded.
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/I137185.php : accessed October 19, 2026), "Aaltje de Boer (± 1920-1920)".
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