The temperature on August 22, 1918 was between 15.2 °C and 30.3 °C and averaged 23.0 °C. There was 12.2 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-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.
January 25 » The Ukrainian People's Republic declares independence from Soviet Russia.
February 1 » Russia adopts the Gregorian calendar.
February 3 » The Twin Peaks Tunnel in San Francisco, California begins service as the longest streetcar tunnel in the world at 11,920 feet (3,633 meters) long.
March 23 » First World War: On the third day of the German Spring Offensive, the 10th Battalion of the Royal West Kent Regiment is annihilated with many of the men becoming prisoners of war
September 29 » World War I: Bulgaria signs the Armistice of Salonica.
November 9 » Kaiser Wilhelm II of Germany abdicates after the German Revolution, and Germany is proclaimed a Republic.
When copying data from this family tree, please include a reference to the origin: Marieke Cooper, "Family tree Cooper, Kooper, Oostwal, Robert, Ooteman en Blokland", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-cooper/I2186.php : accessed February 7, 2026), "Jacoba Colina Kooper (± 1893-????)".
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