The temperature on January 28, 1920 was between 5.4 °C and 8.7 °C and averaged 8.0 °C. There was 9.2 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. 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.
May 2 » The first game of the Negro National League baseball is played in Indianapolis.
May 7 » Kiev Offensive: Polish troops led by Józef Piłsudski and Edward Rydz-Śmigły and assisted by a symbolic Ukrainian force capture Kiev only to be driven out by the Red Army counter-offensive a month later.
May 29 » The Louth flood of 1920 was a severe flash flooding in the Lincolnshire market town of Louth which occurred 29 May 1920, resulting in 23 fatalities in 20 minutes. It has been described as one of the most significant flood disasters in Britain during the 20th century.
September 7 » Two newly purchased Savoia flying boats crash in the Swiss Alps en route to Finland where they would serve with the Finnish Air Force, killing both crews.
September 16 » The Wall Street bombing: A bomb in a horse wagon explodes in front of the J. P. Morgan building in New York City killing 38 and injuring 400.
November 15 » First assembly of the League of Nations is held in Geneva, Switzerland.
Day of death April 24, 1929
The temperature on April 24, 1929 was between -1.3 °C and 10.3 °C and averaged 4.1 °C. There was 3.4 mm of rain. There was 4.3 hours of sunshine (30%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from March 8, 1926 to August 10, 1929 the cabinet De Geer I, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
When copying data from this family tree, please include a reference to the origin: A. Koolmees, "Family tree Koolmees", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koolmees/I183.php : accessed February 16, 2026), "Wilhelmus Vincentius de Keizer (± 1878-1929)".
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