The temperature on November 23, 1911 was between -0.7 °C and 3.0 °C and averaged 1.5 °C. There was 0.3 hours of sunshine (4%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 21 » The first Monte Carlo Rally takes place.
May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
May 19 » Parks Canada, the world's first national park service, is established as the Dominion Parks Branch under the Department of the Interior.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
Day of marriage December 16, 1933
The temperature on December 16, 1933 was between -8.3 °C and -0.4 °C and averaged -5.0 °C. There was 4.0 hours of sunshine (52%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. 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.
In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
March 10 » The Long Beach earthquake affects the Greater Los Angeles Area leaving around 108 people dead.
March 20 » Reichsführer-SS Heinrich Himmler ordered the creation of Dachau concentration camp as Chief of Police of Munich and appointed Theodor Eicke as the camp commandant.
April 3 » First flight over Mount Everest, by the British Houston-Mount Everest Flight Expedition, led by the Marquis of Clydesdale, and funded by Lucy, Lady Houston.
July 22 » Aviator Wiley Post returns to Floyd Bennett Field in New York City, completing the first solo flight around the world in seven days, 18 hours and 49 minutes.
September 13 » Elizabeth McCombs becomes the first woman elected to the New Zealand Parliament.
November 16 » The United States and the Soviet Union establish formal diplomatic relations.
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/I199785.php : accessed October 23, 2026), "Frederik Helmholt (1911-)".
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