The temperature on July 27, 1907 was between 8.7 °C and 18.1 °C and averaged 15.4 °C. There was 1.9 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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.
June 22 » The London Underground's Charing Cross, Euston and Hampstead Railway opens.
August 1 » The start of the first Scout camp on Brownsea Island, the origin of the worldwide Scouting movement.
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.
December 6 » A coal mine explosion at Monongah, West Virginia, kills 362 workers.
December 10 » The worst night of the Brown Dog riots in London, when 1,000 medical students clash with 400 police officers over the existence of a memorial for animals that have been vivisected.
December 19 » Two hundred thirty-nine coal miners die in the Darr Mine Disaster in Jacobs Creek, Pennsylvania.
Day of marriage April 23, 1930
The temperature on April 23, 1930 was between 1.6 °C and 19.4 °C and averaged 12.5 °C. There was 8.5 hours of sunshine (59%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. 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.
February 18 » While studying photographs taken in January, Clyde Tombaugh discovers Pluto.
March 12 » Mahatma Gandhi begins the Salt March, a 200-mile march to the sea to protest the British monopoly on salt in India.
March 29 » Heinrich Brüning is appointed German Reichskanzler.
May 24 » Amy Johnson lands in Darwin, Northern Territory, becoming the first woman to fly solo from England to Australia (she left on May 5 for the 11,000 mile flight).
August 16 » The first British Empire Games were opened in Hamilton, Ontario by the Governor General of Canada, the Viscount Willingdon.
November 3 » Getúlio Vargas becomes Head of the Provisional Government in Brazil after a bloodless coup on October 24.
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/I115220.php : accessed February 14, 2026), "Johannes Ybema (1907-)".
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