The temperature on March 20, 1907 was between 4.6 °C and 9.4 °C and averaged 6.6 °C. There was 4.3 mm of rain. There was 2.8 hours of sunshine (23%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
February 5 » Belgian chemist Leo Baekeland announces the creation of Bakelite, the world's first synthetic plastic.
August 31 » Russia and the United Kingdom sign the Anglo-Russian Convention, by which the UK recognizes Russian preeminence in northern Persia, while Russia recognizes British preeminence in southeastern Persia and Afghanistan. Both powers pledge not to interfere in Tibet.
October 22 » A run on the stock of the Knickerbocker Trust Company sets events in motion that will spark the Panic of 1907.
December 6 » A coal mine explosion at Monongah, West Virginia, kills 362 workers.
December 11 » The New Zealand Parliament Buildings are almost completely destroyed by fire.
December 16 » The American Great White Fleet begins its circumnavigation of the world.
Day of marriage July 9, 1932
The temperature on July 9, 1932 was between 9.1 °C and 24.2 °C and averaged 18.4 °C. There was 9.9 hours of sunshine (60%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
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.
January 1 » The United States Post Office Department issues a set of 12 stamps commemorating the 200th anniversary of George Washington's birth.
July 9 » The state of São Paulo revolts against the Brazilian Federal Government, starting the Constitutionalist Revolution.
July 28 » U.S. President Herbert Hoover orders the United States Army to forcibly evict the "Bonus Army" of World War I veterans gathered in Washington, D.C.
December 7 » German-born Swiss physicist Albert Einstein is granted an American visa.
December 19 » BBC World Service begins broadcasting as the BBC Empire Service.
December 27 » Radio City Music Hall, "Showplace of the Nation", opens in New York City.
Day of death July 9, 1940
The temperature on July 9, 1940 was between 8.2 °C and 22.2 °C and averaged 15.7 °C. There was 7.9 hours of sunshine (48%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
May 5 » World War II: Norwegian Campaign: Norwegian squads in Hegra Fortress and Vinjesvingen capitulate to German forces after all other Norwegian forces in southern Norway had laid down their arms.
May 20 » The Holocaust: The first prisoners arrive at a new concentration camp at Auschwitz.
May 26 » World War II: Operation Dynamo: In northern France, Allied forces begin a massive evacuation from Dunkirk, France.
May 28 » World War II: Belgium surrenders to Nazi Germany to end the Battle of Belgium.
September 16 » World War II: Italian troops conquer Sidi Barrani.
November 12 » World War II: The Battle of Gabon ends as Free French Forces take Libreville, Gabon, and all of French Equatorial Africa from Vichy French forces.
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/I116518.php : accessed January 7, 2026), "Pieter Zijlstra (1907-1940)".
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