The temperature on May 1, 1907 was between 2.6 °C and 9.0 °C and averaged 5.2 °C. There was 19.5 mm of rain. There was 0.2 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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 3 » Judge Kenesaw Mountain Landis fines Standard Oil of Indiana a record $29.4million for illegal rebating to freight carriers; the conviction and fine are later reversed on appeal.
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.
November 9 » The Cullinan Diamond is presented to King Edward VII on his birthday.
December 6 » A coal mine explosion at Monongah, West Virginia, kills 362 workers.
December 16 » The American Great White Fleet begins its circumnavigation of the world.
Day of marriage July 24, 1929
The temperature on July 24, 1929 was between 10.0 °C and 23.2 °C and averaged 16.3 °C. There was 5.3 hours of sunshine (33%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
January 6 » King Alexander of the Serbs, Croats and Slovenes suspends his country's constitution (the January 6th Dictatorship).
February 9 » Members of the Viet Nam Quoc Dan Dang assassinated the labor recruiter Bazin, prompting a crackdown by French colonial authorities.
October 3 » The Kingdom of Serbs, Croats and Slovenes is renamed to Yugoslavia by King Alexander I.
October 18 » The Judicial Committee of the Privy Council overrules the Supreme Court of Canada in Edwards v. Canada when it declares that women are considered "Persons" under Canadian law.
December 19 » The Indian National Congress promulgates the Purna Swaraj (the Declaration of the Independence of India).
December 24 » A four alarm fire breaks out in the West Wing of the White House in Washington, D.C.
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/I136581.php : accessed February 18, 2026), "Roelof Zijlstra (1907-)".
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