The temperature on February 11, 1920 was between 4.7 °C and 8.9 °C and averaged 7.2 °C. There was 4.7 mm of rain. There was 5.4 hours of sunshine (56%). The average windspeed was 6 Bft (strong wind) and was prevailing from the west. 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.
March 13 » The Kapp Putsch briefly ousts the Weimar Republic government from Berlin.
May 7 » Treaty of Moscow: Soviet Russia recognizes the independence of the Democratic Republic of Georgia only to invade the country six months later.
August 31 » Polish–Soviet War: A decisive Polish victory in the Battle of Komarów.
September 7 » Two newly purchased Savoia flying boats crash in the Swiss Alps en route to Finland where they would serve with the Finnish Air Force, killing both crews.
December 19 » King Constantine I is restored as King of the Hellenes after the death of his son Alexander of Greece and a plebiscite.
When copying data from this family tree, please include a reference to the origin: Hans Pruckmuller, "Family tree Van Willigen", database, Genealogy Online (https://www.genealogieonline.nl/van-willigen-stamboom/I14258.php : accessed January 25, 2026), "Nn. van Willigen (1920-1920)".
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