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 31 » Second Boer War: The Treaty of Vereeniging ends the war and ensures British control of South Africa.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
December 14 » The Commercial Pacific Cable Company lays the first Pacific telegraph cable, from San Francisco to Honolulu.
Day of marriage July 16, 1924
The temperature on July 16, 1924 was between 14.4 °C and 28.1 °C and averaged 20.1 °C. There was 0.1 mm of rain. There was 8.0 hours of sunshine (49%). The average windspeed was 3 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.
February 5 » The Royal Greenwich Observatory begins broadcasting the hourly time signals known as the Greenwich Time Signal.
February 8 » Capital punishment: The first state execution in the United States by gas chamber takes place in Nevada.
February 12 » George Gershwin's Rhapsody in Blue received its premiere in a concert titled "An Experiment in Modern Music", in Aeolian Hall, New York, by Paul Whiteman and his band, with Gershwin playing the piano.
March 3 » The 407-year-old Islamic caliphate is abolished, when Caliph Abdülmecid II of the Ottoman Caliphate is deposed. The last remnant of the old regime gives way to the reformed Turkey of Kemal Atatürk.
March 3 » The Free State of Fiume is annexed by the Kingdom of Italy.
May 21 » University of Chicago students Richard Loeb and Nathan Leopold, Jr. murder 14-year-old Bobby Franks in a "thrill killing".
When copying data from this family tree, please include a reference to the origin: Marieke Cooper, "Family tree Cooper, Kooper, Oostwal, Robert, Ooteman en Blokland", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-cooper/I2149.php : accessed March 7, 2026), "Nicolaas Kooper (1902-)".
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