January 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
February 11 » Anton Bruckner's 9th Symphony receives its first performance in Vienna, Austria.
April 19 » The Kishinev pogrom in Kishinev (Bessarabia) begins, forcing tens of thousands of Jews to later seek refuge in Palestine and the Western world.
September 11 » The first race at the Milwaukee Mile in West Allis, Wisconsin is held. It is the oldest major speedway in the world.
October 10 » The Women's Social and Political Union is founded in support of the enfranchisement of British women.
December 30 » A fire at the Iroquois Theater in Chicago, Illinois kills at least 605.
Day of marriage December 15, 1923
The temperature on December 15, 1923 was between -1.1 °C and 7.9 °C and averaged 3.4 °C. There was 1.6 mm of rain. There was 5.0 hours of sunshine (64%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 9 » Juan de la Cierva makes the first autogyro flight.
March 3 » TIME magazine is published for the first time.
March 20 » The Arts Club of Chicago hosts the opening of Pablo Picasso's first United States showing, entitled Original Drawings by Pablo Picasso, becoming an early proponent of modern art in the United States.
September 4 » Maiden flight of the first U.S. airship, the USSShenandoah.
September 7 » The International Criminal Police Organization (INTERPOL) is formed.
October 6 » The Turkish National Movement enters Constantinople.
Day of death January 14, 1970
The temperature on January 14, 1970 was between 2.2 °C and 6.7 °C and averaged 4.1 °C. There was 2.7 hours of sunshine (33%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
March 5 » The Treaty on the Non-Proliferation of Nuclear Weapons goes into effect after ratification by 43 nations.
March 26 » South Vietnamese President Nguyễn Văn Thiệu implements a land reform program to solve the problem of land tenancy.
March 31 » Explorer 1 re-enters the Earth's atmosphere after 12 years in orbit.
April 1 » The first of over 670,000 AMC Gremlins are released into North America to compete with foreign imported cars.
September 6 » Two passenger jets bound from Europe to New York are simultaneously hijacked by Palestinian terrorist members of the PFLP and taken to Dawson's Field, Jordan.
September 11 » The Dawson's Field hijackers release 88 of their hostages. The remaining hostages, mostly Jews and Israeli citizens, are held until September 25.
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/I199296.php : accessed February 10, 2026), "Harm Zuidema (1903-1970)".
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