The temperature on August 11, 1920 was between 12.3 °C and 19.4 °C and averaged 15.1 °C. There was 3.4 hours of sunshine (23%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
January 13 » The Reichstag Bloodbath of January 13, 1920, the bloodiest demonstration in German history.
April 28 » Azerbaijan is added to the Soviet Union.
August 15 » Polish–Soviet War: Battle of Warsaw, so-called Miracle at the Vistula.
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
November 1 » American fishing schooner Esperanto defeats the Canadian fishing schooner Delawana in the First International Fishing Schooner Championship Races in Halifax, Nova Scotia.
November 16 » Qantas, Australia's national airline, is founded as Queensland and Northern Territory Aerial Services Limited.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I52233.php : accessed January 10, 2026), "Johanna Christina van Leeuwen".
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