The temperature on May 1, 1920 was between 3.3 °C and 16.7 °C and averaged 10.9 °C. There was 0.2 mm of rain. There was 4.9 hours of sunshine (33%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. 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.
January 10 » The Treaty of Versailles takes effect, officially ending World War I.
January 23 » The Netherlands refuses to surrender the exiled Kaiser Wilhelm II of Germany to the Allies.
July 11 » In the East Prussian plebiscite the local populace decides to remain with Weimar Germany.
July 29 » Construction of the Link River Dam begins as part of the Klamath Reclamation Project.
August 20 » The National Football League is organized as the American Professional Football Conference in Canton, Ohio
November 21 » Irish War of Independence: In Dublin, 31 people are killed in what became known as "Bloody Sunday".
Day of death September 23, 1936
The temperature on September 23, 1936 was between 7.0 °C and 20.6 °C and averaged 13.0 °C. There was 0.1 mm of rain. There was 3.3 hours of sunshine (27%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
June 15 » First flight of the Vickers Wellington bomber.
June 30 » Emperor Haile Selassie of Abyssinia appeals for aid to the League of Nations against Italy's invasion of his country.
July 20 » The Montreux Convention is signed in Switzerland, authorizing Turkey to fortify the Dardanelles and Bosphorus but guaranteeing free passage to ships of all nations in peacetime.
October 1 » Spanish Civil War: Francisco Franco is named head of the Nationalist government of Spain.
October 27 » Mrs Wallis Simpson obtains her divorce, which would eventually allow her to marry King Edward VIII of the United Kingdom, thus forcing his abdication from the throne.
December 21 » First flight of the Junkers Ju 88 multi-role combat aircraft.
When copying data from this family tree, please include a reference to the origin: Ronald van 't Hoff, "Family tree Van 't Hoff - Zondag - Bosch - de Zwaan - vd Kolk - Westhuis - Plomp", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-t-hoff/I28704.php : accessed February 26, 2026), "Hendrik Zondag (1920-1936)".
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