February 23 » Second Boer War: During the Battle of the Tugela Heights, the first British attempt to take Hart's Hill fails.
May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
May 29 » N'Djamena is founded as Fort-Lamy by the French commander Émile Gentil.
November 7 » Second Boer War: Battle of Leliefontein, a battle during which the Royal Canadian Dragoons win three Victoria Crosses.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
December 18 » The Upper Ferntree Gully to Gembrook, Victoria Narrow-gauge (2ft 6 in or 762mm) Railway (now the Puffing Billy Railway) in Victoria, Australia is opened for traffic.
Day of marriage July 8, 1926
The temperature on July 8, 1926 was between 14.1 °C and 22.9 °C and averaged 17.8 °C. There was 0.3 mm of rain. There was 2.8 hours of sunshine (17%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
June 23 » The College Board administers the first SAT exam.
June 28 » Mercedes-Benz is formed by Gottlieb Daimler and Karl Benz merging their two companies.
August 6 » Gertrude Ederle becomes the first woman to swim across the English Channel.
September 8 » Germany is admitted to the League of Nations.
September 25 » The international Convention to Suppress the Slave Trade and Slavery is first signed.
Day of death December 31, 1968
The temperature on December 31, 1968 was between -8.8 °C and 1.7 °C and averaged -2.6 °C. There was 1.6 mm of rain during 2.6 hours. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
January 7 » Surveyor Program: Surveyor 7, the last spacecraft in the Surveyor series, lifts off from launch complex 36A, Cape Canaveral.
January 13 » Johnny Cash performs live at Folsom State Prison.
April 6 » In Richmond, Indiana's downtown district, a double explosion kills 41 and injures 150.
April 10 » The TEV Wahine, a New Zealand ferry sinks in Wellington harbour due to a fierce storm – the strongest winds ever in Wellington. Out of the 734 people on board, fifty-three died.
April 23 » Vietnam War: Student protesters at Columbia University in New York City take over administration buildings and shut down the university.
October 11 » NASA launches Apollo 7, the first successful manned Apollo mission.
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/I320571.php : accessed February 16, 2026), "Adrianus Johannes Geertruda van der Sluis (1900-1968)".
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