April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
December 30 » The British Colony of Natal annexes Zululand.
Day of marriage March 15, 1923
The temperature on March 15, 1923 was between 0.9 °C and 5.1 °C and averaged 2.9 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
March 20 » The Arts Club of Chicago hosts the opening of Pablo Picasso's first United States showing, entitled Original Drawings by Pablo Picasso, becoming an early proponent of modern art in the United States.
April 26 » The Duke of York weds Lady Elizabeth Bowes-Lyon at Westminster Abbey.
April 28 » Wembley Stadium is opened, named initially as the Empire Stadium.
July 1 » The Parliament of Canada suspends all Chinese immigration.
October 6 » The Turkish National Movement enters Constantinople.
October 22 » The royalist Leonardopoulos–Gargalidis coup d'état attempt fails in Greece, discrediting the monarchy and paving the way for the establishment of the Second Hellenic Republic.
Day of death December 20, 1960
The temperature on December 20, 1960 was between 1.6 °C and 5.5 °C and averaged 4.0 °C. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
January 6 » National Airlines Flight 2511 is destroyed in mid-air by a bomb, while en route from New York City to Miami.
April 19 » Students in South Korea hold a nationwide pro-democracy protest against president Syngman Rhee, eventually forcing him to resign.
October 4 » An airliner crashes on takeoff from Boston's Logan International Airport, killing 62 people.
November 2 » Penguin Books is found not guilty of obscenity in the trial R v Penguin Books Ltd, the Lady Chatterley's Lover case.
November 4 » At the Kasakela Chimpanzee Community in Tanzania, Dr. Jane Goodall observes chimpanzees creating tools, the first-ever observation in non-human animals.
December 14 » Convention against Discrimination in Education of UNESCO is adopted.
When copying data from this family tree, please include a reference to the origin: Claudia Vreugdenhil, "Family tree Spronk", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-spronk/I2999.php : accessed September 22, 2024), "Johanna Maria SPRONK (1897-1960)".
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