January 31 » Datu Muhammad Salleh is killed in Kampung Teboh, Tambunan, ending the Mat Salleh Rebellion.
February 7 » Second Boer War: British troops fail in their third attempt to lift the Siege of Ladysmith.
February 23 » Second Boer War: During the Battle of the Tugela Heights, the first British attempt to take Hart's Hill fails.
March 18 » AFC Ajax Amsterdam, The Netherlands's biggest and most successful football club, was founded.
July 9 » The Governor of Shanxi province in North China orders the execution of 45 foreign Christian missionaries and local church members, including children.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of marriage May 19, 1926
The temperature on May 19, 1926 was between 0.4 °C and 14.8 °C and averaged 8.9 °C. There was 10.8 hours of sunshine (68%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
March 15 » The dictator Theodoros Pangalos is elected President of Greece without opposition.
April 6 » Varney Airlines makes its first commercial flight (Varney is the root company of United Airlines).
June 14 » Brazil leaves the League of Nations.
August 5 » Harry Houdini performs his greatest feat, spending 91 minutes underwater in a sealed tank before escaping.
August 6 » In New York City, the Warner Bros.' Vitaphone system premieres with the movie Don Juan starring John Barrymore.
October 14 » The children's book Winnie-the-Pooh, by A. A. Milne, is first published.
Day of death August 20, 1969
The temperature on August 20, 1969 was between 11.6 °C and 19.8 °C and averaged 16.7 °C. There was 30.0 mm of rain during 2.9 hours. There was 5.1 hours of sunshine (35%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
March 3 » Apollo program: NASA launches Apollo 9 to test the lunar module.
May 26 » Apollo program: Apollo 10 returns to Earth after a successful eight-day test of all the components needed for the forthcoming first manned moon landing.
July 3 » Space Race: The biggest explosion in the history of rocketry occurs when the Soviet N-1 rocket explodes and subsequently destroys its launchpad.
August 10 » A day after murdering Sharon Tate and four others, members of Charles Manson's cult kill Leno and Rosemary LaBianca.
October 1 » Concorde breaks the sound barrier for the first time.
November 15 » Vietnam War: In Washington, D.C., 250,000-500,000 protesters staged a peaceful demonstration against the war, including a symbolic "March Against Death".
When copying data from this family tree, please include a reference to the origin: Willem Harting, "Harting family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-harting/I648.php : accessed February 13, 2026), "Cornelis Hage (1900-1969)".
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