May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
June 28 » An explosion in the Newton Coal Company's Twin Shaft Mine in Pittston, Pennsylvania results in a massive cave-in that kills 58 miners.
August 17 » Bridget Driscoll became the first recorded case of a pedestrian killed in a collision with a motor car in the United Kingdom.
August 27 » Anglo-Zanzibar War: The shortest war in world history (09:02 to 09:40), between the United Kingdom and Zanzibar.
Day of marriage July 4, 1923
The temperature on July 4, 1923 was between 11.8 °C and 22.2 °C and averaged 16.7 °C. There was 6.9 hours of sunshine (42%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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 1 » Britain's Railways are grouped into the Big Four: LNER, GWR, SR, and LMS.
February 16 » Howard Carter unseals the burial chamber of Pharaoh Tutankhamun.
April 15 » Insulin becomes generally available for use by people with diabetes.
April 28 » Wembley Stadium is opened, named initially as the Empire Stadium.
September 7 » The International Criminal Police Organization (INTERPOL) is formed.
September 8 » Honda Point disaster: Nine US Navy destroyers run aground off the California coast. Seven are lost, and twenty-three sailors killed.
Day of death July 16, 1971
The temperature on July 16, 1971 was between 9.3 °C and 18.4 °C and averaged 14.2 °C. There was 8.0 hours of sunshine (49%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 31 » The Winter Soldier Investigation, organized by the Vietnam Veterans Against the War to publicize war crimes and atrocities by Americans and allies in Vietnam, begins in Detroit.
March 18 » Peru: a landslide crashes into Yanawayin Lake, killing 200 people at the mining camp of Chungar.
April 1 » Bangladesh Liberation War: The Pakistan Army massacre over 1,000 people in Keraniganj Upazila, Bangladesh.
May 1 » Amtrak (the National Railroad Passenger Corporation) takes over operation of U.S. passenger rail service.
May 13 » Over 900 unarmed Bengali Hindus are murdered in the Demra massacre.
July 12 » The Australian Aboriginal Flag is flown for the first time.
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/I296991.php : accessed February 23, 2026), "Joanna Maria Catharina van Groenendaal (1896-1971)".
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