April 20 » Pierre and Marie Curie refine radium chloride.
May 8 » In Martinique, Mount Pelée erupts, destroying the town of Saint-Pierre and killing over 30,000 people. Only a handful of residents survive the blast.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
December 14 » The Commercial Pacific Cable Company lays the first Pacific telegraph cable, from San Francisco to Honolulu.
Day of marriage May 28, 1925
The temperature on May 28, 1925 was between 9.6 °C and 17.7 °C and averaged 13.8 °C. There was 7.5 mm of rain. There was 7.0 hours of sunshine (43%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
April 18 » The International Amateur Radio Union is formed in Paris.
May 5 » Scopes Trial: Serving of an arrest warrant on John T. Scopes for teaching evolution in violation of the Butler Act.
June 16 » The most famous Young Pioneer camp of the Soviet Union, Artek, is established.
July 10 » Scopes Trial: In Dayton, Tennessee, the so-called "Monkey Trial" begins of John T. Scopes, a young high school science teacher accused of teaching evolution in violation of the Butler Act.
August 9 » A train robbery takes place in Kakori, near Lucknow, India.
September 17 » Frida Kahlo suffers near-fatal injuries in a bus accident in Mexico, causing her to abandon her medical studies and take up art.
Day of death January 16, 1968
The temperature on January 16, 1968 was between 2.7 °C and 9.2 °C and averaged 7.0 °C. There was 1.7 mm of rain during 3.0 hours. The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 5 » Alexander Dubček comes to power in Czechoslovakia, effectively beginning the "Prague Spring".
February 16 » In Haleyville, Alabama, the first 9-1-1 emergency telephone system goes into service.
April 29 » The controversial musical Hair, a product of the hippie counter-culture and sexual revolution of the 1960s, opens at the Biltmore Theatre on Broadway, with some of its songs becoming anthems of the anti-Vietnam War movement.
May 30 » Charles de Gaulle reappears publicly after his flight to Baden-Baden, Germany, and dissolves the French National Assembly by a radio appeal. Immediately after, less than one million of his supporters march on the Champs-Élysées in Paris. This is the turning point of May 1968 events in France.
September 2 » Operation OAU begins during the Nigerian Civil War.
December 31 » The first flight of the Tupolev Tu-144, the first civilian supersonic transport in the world.
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/I138758.php : accessed October 20, 2026), "Hans Witteveen (1902-1968)".
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