March 24 » Mayor of New York City Robert Anderson Van Wyck breaks ground for a new underground "Rapid Transit Railroad" that would link Manhattan and Brooklyn.
April 30 » Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.
June 20 » Boxer Rebellion: The Imperial Chinese Army begins a 55-day siege of the Legation Quarter in Beijing, China.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
August 3 » The Firestone Tire and Rubber Company is founded.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of marriage May 12, 1921
The temperature on May 12, 1921 was between 9.2 °C and 21.1 °C and averaged 15.5 °C. There was 9.1 hours of sunshine (59%). 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.
February 22 » After Russian forces under Baron Roman von Ungern-Sternberg drive the Chinese out, the Bogd Khan is reinstalled as the emperor of Mongolia.
March 15 » Talaat Pasha, former Grand Vizir of the Ottoman Empire and chief architect of the Armenian Genocide is assassinated in Berlin by a 23-year-old Armenian, Soghomon Tehlirian.
August 14 » Tannu Uriankhai, later Tuvan People's Republic is established as a completely independent country (which is supported by Soviet Russia).
September 11 » Nahalal, the first moshav in Palestine, is settled as part of a Zionist plan of creating a Jewish state, later to be Israel.
October 8 » KDKA in Pittsburgh's Forbes Field conducts the first live broadcast of a football game.
November 14 » The Communist Party of Spain is founded, and issues the first edition of Mundo obrero.
Day of death January 3, 1986
The temperature on January 3, 1986 was between -2.0 °C and 4.7 °C and averaged 0.9 °C. There was 4.4 mm of rain during 11.2 hours. The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 28 » Olof Palme, 26th Prime Minister of Sweden, is assassinated in Stockholm.
June 30 » The U.S. Supreme Court rules in Bowers v. Hardwick that states can outlaw homosexual acts between consenting adults.
July 2 » Rodrigo Rojas and Carmen Gloria Quintana are burnt alive during a street demonstration against the dictatorship of General Augusto Pinochet in Chile.
November 3 » The Compact of Free Association becomes law, granting the Federated States of Micronesia and the Marshall Islands independence from the United States.
November 5 » USSRentz, USSReeves and USSOldendorf visit Qingdao (Tsing Tao) China – the first US Naval visit to China since 1949.
November 22 » Mike Tyson from Brooklyn, New York becomes the youngest heavyweight champion in boxing history at age 20.
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/I108545.php : accessed December 27, 2025), "Jantje Westerhof (1900-1986)".
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