The temperature on September 11, 1918 was between 7.8 °C and 14.7 °C and averaged 11.4 °C. There was 12.3 mm of rain. There was 4.7 hours of sunshine (36%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
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.
April 20 » Manfred von Richthofen, a.k.a. The Red Baron, shoots down his 79th and 80th victims, his final victories before his death the following day.
June 24 » First airmail service in Canada from Montreal to Toronto.
June 26 » World War I: Allied forces under John J. Pershing and James Harbord defeat Imperial German forces under Wilhelm, German Crown Prince in the Battle of Belleau Wood.
August 16 » The Battle of Lake Baikal was fought between the Czechoslovak Legion and the Red Army.
November 1 » Western Ukraine separates from Austria-Hungary.
November 3 » Austria-Hungary enters into the Armistice of Villa Giusti with the Allies, and the Habsburg-ruled empire dissolves.
When copying data from this family tree, please include a reference to the origin: Leen Schaap, "Database Schaap", database, Genealogy Online (https://www.genealogieonline.nl/database-schaap/I613.php : accessed September 26, 2026), "Simon Kelderman (1893-????)".
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