The temperature on August 17, 1921 was between 12.6 °C and 24.3 °C and averaged 18.8 °C. There was 6.0 hours of sunshine (41%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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.
February 15 » Kingdom of Romania establishes its legation in Helsinki.
February 27 » The International Working Union of Socialist Parties is founded in Vienna.
May 19 » The United States Congress passes the Emergency Quota Act establishing national quotas on immigration.
June 28 » Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution.
July 2 » World War I: U.S. President Warren G. Harding signs the Knox–Porter Resolution formally ending the war between the United States and Germany.
August 23 » British airship R-38 experiences structural failure over Hull in England and crashes in the Humber Estuary. Of her 49 British and American training crew, only four survive.
When copying data from this family tree, please include a reference to the origin: Jan van der Eijk, "Family tree Van der Eijk Van Busschbach Leegwater Stiemer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-der-eijk/I13064.php : accessed January 6, 2026), "Klaas Siekerman (1906-1921)".
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