The temperature on September 17, 1919 was between 6.4 °C and 17.3 °C and averaged 13.5 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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 18 » World War I: The Paris Peace Conference opens in Versailles, France.
February 14 » The Polish–Soviet War begins.
April 16 » Polish–Soviet War: The Polish army launches the Vilna offensive to capture Vilnius in modern Lithuania.
May 16 » A naval Curtiss NC-4 aircraft commanded by Albert Cushing Read leaves Trepassey, Newfoundland, for Lisbon via the Azores on the first transatlantic flight.
October 2 » U.S. President Woodrow Wilson suffers a massive stroke, leaving him incapacitated for several weeks.
December 23 » Sex Disqualification (Removal) Act 1919 becomes law in the United Kingdom.
When copying data from this family tree, please include a reference to the origin: Ron Maas, "Clemenkowff Laanstra Maas Wolf familie", database, Genealogy Online (https://www.genealogieonline.nl/clemenkowff-laanstra-maas-wolf-familie/I502626.php : accessed June 9, 2024), "Hendrikus Groffen (1919-1920)".
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