The temperature on September 7, 1910 was between 10.0 °C and 17.7 °C and averaged 13.8 °C. There was 12.4 mm of rain. There was 2.3 hours of sunshine (17%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 15 » Construction ends on the Buffalo Bill Dam in Wyoming, United States, which was the highest dam in the world at the time, at 325ft (99m).
March 1 » The deadliest avalanche in United States history buries a Great Northern Railway train in northeastern King County, Washington, killing 96 people.
April 16 » The oldest existing indoor ice hockey arena still used for the sport in the 21st century, Boston Arena, opens for the first time.
June 2 » Charles Rolls, a co-founder of Rolls-Royce Limited, becomes the first man to make a non-stop double crossing of the English Channel by plane.
September 20 » The ocean liner SSFrance, later known as the "Versailles of the Atlantic", is launched.
November 10 » The date of Thomas A. Davis' opening of the San Diego Army and Navy Academy, although the official founding date is November 23, 1910.
Day of marriage November 30, 1939
The temperature on November 30, 1939 was between 7.8 °C and 12.7 °C and averaged 10.3 °C. There was 8.0 mm of rain during 8.1 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. 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 15 » Carpatho-Ukraine declares itself an independent republic, but is annexed by Hungary the next day.
April 10 » Alcoholics Anonymous, A.A.'s "Big Book", is first published.
September 14 » World War II: The Estonian military boards the Polish submarine ORPOrzeł in Tallinn, sparking a diplomatic incident that the Soviet Union will later use to justify the annexation of Estonia.
December 2 » New York City's LaGuardia Airport opens.
December 14 » Winter War: The Soviet Union is expelled from the League of Nations for invading Finland.
December 24 » World War II: Pope Pius XII makes a Christmas Eve appeal for peace.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I5783.php : accessed February 20, 2026), "Frederik Haan (1910-)".
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