The temperature on June 20, 1907 was between 9.9 °C and 21.1 °C and averaged 15.6 °C. There was 7.2 hours of sunshine (43%). The average windspeed was 4 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.
July 7 » Florenz Ziegfeld Jr. staged his first Follies on the roof of the New York Theater in New York City.
July 21 » The passenger steamer SS Columbia sinks after colliding with the steam schooner San Pedro off Shelter Cove, California, killing 88 people.
September 26 » Four months after the 1907 Imperial Conference, New Zealand and Newfoundland are promoted from colonies to dominions within the British Empire.
November 16 » Indian Territory and Oklahoma Territory join to form Oklahoma, which is admitted as the 46th U.S. state.
December 8 » King Gustaf V of Sweden accedes to the Swedish throne.
December 19 » Two hundred thirty-nine coal miners die in the Darr Mine Disaster in Jacobs Creek, Pennsylvania.
Day of marriage May 15, 1931
The temperature on May 15, 1931 was between 10.5 °C and 19.9 °C and averaged 14.8 °C. There was 1.4 mm of rain during 0.7 hours. There was 4.4 hours of sunshine (28%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
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/I116671.php : accessed February 16, 2026), "Jan Keizer (1907-)".
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