The temperature on January 12, 1921 was between 5.2 °C and 9.0 °C and averaged 7.1 °C. There was 6.3 mm of rain. There was 3.7 hours of sunshine (46%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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.
March 8 » Spanish Prime Minister Eduardo Dato Iradier is assassinated while exiting the parliament building in Madrid.
March 20 » The Upper Silesia plebiscite was a plebiscite mandated by the Versailles Treaty to determine a section of the border between Weimar Germany and Poland.
May 8 » The creation of the Communist Party of Romania.
June 15 » Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.
August 23 » British airship R-38 experiences structural failure over Hull in England and crashes in the Humber Estuary. Of her 49 British and American training crew, only four survive.
December 6 » The Anglo-Irish Treaty is signed in London by British and Irish representatives.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I14806.php : accessed May 1, 2025), "Willem Siegruhn (1893-????)".
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