January 23 » Second Boer War: The Battle of Spion Kop between the forces of the South African Republic and the Orange Free State and British forces ends in a British defeat.
March 18 » AFC Ajax Amsterdam, The Netherlands's biggest and most successful football club, was founded.
April 30 » Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.
June 5 » Second Boer War: British soldiers take Pretoria.
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 6, 1926
The temperature on May 6, 1926 was between 2.5 °C and 12.1 °C and averaged 7.0 °C. There was 5.6 mm of rain. There was 7.5 hours of sunshine (49%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 26 » The first demonstration of the television by John Logie Baird.
May 12 » The Italian-built airship Norge becomes the first vessel to fly over the North Pole.
May 25 » Sholom Schwartzbard assassinates Symon Petliura, the head of the government of the Ukrainian People's Republic, which is in government-in-exile in Paris.
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.
September 25 » The international Convention to Suppress the Slave Trade and Slavery is first signed.
Day of death May 29, 1977
The temperature on May 29, 1977 was between 6.0 °C and 20.8 °C and averaged 13.2 °C. There was 13.7 hours of sunshine (84%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the ??. 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.
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
March 23 » The first of The Nixon Interviews (12 will be recorded over four weeks) is videotaped with British journalist David Frost interviewing former United States President Richard Nixon about the Watergate scandal and the Nixon tapes.
May 25 » Star Wars (retroactively titled Star Wars: Episode IV – A New Hope) is released in theaters.
July 26 » The National Assembly of Quebec imposes the use of French as the official language of the provincial government.
September 20 » Vietnam is admitted to the United Nations.
October 13 » Hijacking of Lufthansa Flight 181 by the Popular Front for the Liberation of Palestine.
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/I212206.php : accessed December 30, 2025), "Geert de Vries (1900-1977)".
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