In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
January 15 » James Naismith publishes the rules of basketball.
May 28 » In San Francisco, John Muir organizes the Sierra Club.
June 6 » The Chicago "L" elevated rail system begins operation.
June 30 » The Homestead Strike begins near Pittsburgh, Pennsylvania.
September 8 » The Pledge of Allegiance is first recited.
November 12 » Pudge Heffelfinger becomes the first professional American football player on record, participating in his first paid game for the Allegheny Athletic Association.
Day of marriage June 12, 1920
The temperature on June 12, 1920 was between 11.2 °C and 26.2 °C and averaged 19.2 °C. There was 12.7 hours of sunshine (76%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 2 » The second Palmer Raid, ordered by the US Department of Justice, results in 6,000 suspected communists and anarchists being arrested and held without trial.
February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
February 10 » About 75% of the population in Zone I votes to join Denmark in the 1920 Schleswig plebiscites.
July 20 » The Greek Army takes control of Silivri after Greece is awarded the city by the Paris Peace Conference; by 1923 Greece effectively lost control to the Turks.
July 29 » Construction of the Link River Dam begins as part of the Klamath Reclamation Project.
November 2 » In the United States, KDKA of Pittsburgh starts broadcasting as the first commercial radio station. The first broadcast is the result of the 1920 United States presidential election.
Day of death February 4, 1957
The temperature on February 4, 1957 was between 5.9 °C and 12.9 °C and averaged 8.9 °C. There was 5.6 hours of sunshine (61%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 31 » Eight people (5 total crew from 2 aircraft and 3 on the ground) in Pacoima, California are killed following the mid-air collision between a Douglas DC-7 airliner and a Northrop F-89 Scorpion fighter jet.
May 15 » At Malden Island in the Pacific Ocean, Britain tests its first hydrogen bomb in Operation Grapple.
August 5 » American Bandstand, a show dedicated to the teenage "baby-boomers" by playing the songs and showing popular dances of the time, debuts on the ABC television network.
September 4 » The Ford Motor Company introduces the Edsel.
October 10 » The Windscale fire results in Britain's worst nuclear accident.
October 14 » At least 81 people are killed in the most devastating flood in the history of the Spanish city of Valencia.
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/I188062.php : accessed October 25, 2026), "Ype de Haan (1892-1957)".
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