The temperature on July 21, 1910 was between 14.2 °C and 17.7 °C and averaged 15.9 °C. There was 13.1 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
March 1 » The deadliest avalanche in United States history buries a Great Northern Railway train in northeastern King County, Washington, killing 96 people.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
June 19 » The first Father's Day is celebrated in Spokane, Washington.
August 22 » Korea is annexed by Japan with the signing of the Japan–Korea Treaty of 1910, beginning a period of Japanese rule of Korea that lasted until the end of World War II.
September 20 » The ocean liner SSFrance, later known as the "Versailles of the Atlantic", is launched.
November 14 » Aviator Eugene Burton Ely performs the first takeoff from a ship in Hampton Roads, Virginia, taking off from a makeshift deck on the USS Birmingham in a Curtiss pusher.
Day of marriage January 26, 1939
The temperature on January 26, 1939 was between 0.2 °C and 3.9 °C and averaged 2.4 °C. There was 4.7 mm of rain during 5.4 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
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.
March 2 » Cardinal Eugenio Pacelli is elected Pope and takes the name Pius XII.
April 4 » Faisal II becomes King of Iraq.
August 27 » First flight of the turbojet-powered Heinkel He 178, the world's first jet aircraft.
October 8 » World War II: Germany annexes western Poland.
November 15 » In Washington, D.C., US President Franklin D. Roosevelt lays the cornerstone of the Jefferson Memorial.
November 26 » Shelling of Mainila: The Soviet Army orchestrates an incident which is used to justify the start of the Winter War with Finland four days later.
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/I168161.php : accessed October 8, 2026), "Sybren de Boer (1910-)".
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