January 10 » The first great Texas oil gusher is discovered at Spindletop in Beaumont, Texas.
March 2 » The U.S. Congress passes the Platt Amendment limiting the autonomy of Cuba, as a condition of the withdrawal of American troops.
June 11 » The boundaries of the Colony of New Zealand are extended by the UK to include the Cook Islands.
August 10 » The U.S. Steel recognition strike by the Amalgamated Association of Iron and Steel Workers begins.
September 17 » Second Boer War: A Boer column defeats a British force at the Battle of Blood River Poort.
October 29 » Leon Czolgosz, the assassin of U.S. President William McKinley, is executed by electrocution.
Day of marriage February 22, 1927
The temperature on February 22, 1927 was between 3.3 °C and 7.7 °C and averaged 4.6 °C. There was 1.1 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
May 4 » The Academy of Motion Picture Arts and Sciences is incorporated.
September 7 » The first fully electronic television system is achieved by Philo Farnsworth.
November 21 » Columbine Mine massacre: Striking coal miners are allegedly attacked with machine guns by a detachment of state police dressed in civilian clothes.
December 8 » The Brookings Institution, one of the United States' oldest think tanks, is founded through the merger of three organizations that had been created by philanthropist Robert S. Brookings.
December 30 » The Ginza Line, the first subway line in Asia, opens in Tokyo, Japan.
Day of death January 23, 1975
The temperature on January 23, 1975 was between 1.8 °C and 7.6 °C and averaged 5.6 °C. There was 2.0 mm of rain during 1.1 hours. There was 1.0 hours of sunshine (12%). The partly or heavily clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 15 » The Alvor Agreement is signed, ending the Angolan War of Independence and giving Angola independence from Portugal.
April 21 » Vietnam War: President of South Vietnam Nguyễn Văn Thiệu flees Saigon, as Xuân Lộc, the last South Vietnamese outpost blocking a direct North Vietnamese assault on Saigon, falls.
July 17 » Apollo–Soyuz Test Project: An American Apollo and a Soviet Soyuz spacecraft dock with each other in orbit marking the first such link-up between spacecraft from the two nations.
September 16 » The first prototype of the Mikoyan MiG-31 interceptor makes its maiden flight.
September 29 » WGPR becomes the first black-owned-and-operated television station in the US.
November 12 » The Comoros joins the United Nations.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I249916.php : accessed March 2, 2026), "Hendrika Antonetta Verhoekx (1901-1975)".
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