The temperature on April 17, 1919 was between 3.8 °C and 10.8 °C and averaged 7.2 °C. There was 0.7 mm of rain. There was 2.5 hours of sunshine (18%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. 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.
April 16 » Mohandas Gandhi organizes a day of "prayer and fasting" in response to the killing of Indian protesters in the Jallianwala Bagh massacre by the British colonial troops three days earlier.
May 4 » May Fourth Movement: Student demonstrations take place in Tiananmen Square in Beijing, China, protesting the Treaty of Versailles, which transferred Chinese territory to Japan.
June 2 » Anarchists simultaneously set off bombs in eight separate U.S. cities.
July 11 » The eight-hour day and free Sunday become law for workers in the Netherlands.
July 23 » Prince Regent Aleksander Karađorđević signs the decree establishing the University of Ljubljana
July 27 » The Chicago Race Riot erupts after a racial incident occurred on a South Side beach, leading to 38 fatalities and 537 injuries over a five-day period.
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/I138944.php : accessed February 12, 2026), "Roelof Kok (1919-)".
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