The temperature on September 12, 1919 was between 14.0 °C and 29.3 °C and averaged 20.4 °C. There was 10.9 hours of sunshine (84%). The average windspeed was 2 Bft (weak wind) 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.
January 15 » Rosa Luxemburg and Karl Liebknecht, two of the most prominent socialists in Germany, are tortured and murdered by the Freikorps at the end of the Spartacist uprising.
January 16 » Nebraska becomes the 36th state to approve the Eighteenth Amendment to the United States Constitution. With the necessary three-quarters of the states approving the amendment, Prohibition is constitutionally mandated in the United States one year later.
February 6 » The American Legion is founded.
April 16 » Polish–Soviet War: The Polish army launches the Vilna offensive to capture Vilnius in modern Lithuania.
September 10 » Austria and the Allies sign the Treaty of Saint-Germain-en-Laye recognizing the independence of Poland, Hungary, Czechoslovakia and Yugoslavia.
October 16 » Adolf Hitler delivers his first public address at a meeting of the German Workers' Party.
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/I137402.php : accessed October 13, 2026), "Hendrik Adolf Beukenkamp (1919-)".
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