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.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
December 30 » The British Colony of Natal annexes Zululand.
Day of marriage November 11, 1922
The temperature on November 11, 1922 was between 0.4 °C and 8.8 °C and averaged 5.0 °C. There was 0.1 mm of rain. There was 0.2 hours of sunshine (2%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
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 26 » The German Social Democratic Party is founded in Poland.
June 24 » The American Professional Football Association is renamed the National Football League.
August 2 » A typhoon hits Shantou, Republic of China, killing more than 50,000 people.
September 9 » The Greco-Turkish War effectively ends with Turkish victory over the Greeks in Smyrna.
October 27 » A referendum in Rhodesia rejects the country's annexation to the South African Union.
December 30 » The Union of Soviet Socialist Republics is formed.
Day of death September 7, 1957
The temperature on September 7, 1957 was between 15.2 °C and 23.5 °C and averaged 18.6 °C. There was 0.7 mm of rain during 1.3 hours. There was 6.5 hours of sunshine (49%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
March 8 » Egypt re-opens the Suez Canal after the Suez Crisis.
June 9 » First ascent of Broad Peak by Fritz Wintersteller, Marcus Schmuck, Kurt Diemberger, and Hermann Buhl.
August 31 » The Federation of Malaya (now Malaysia) gains its independence from the United Kingdom.
September 22 » In Haiti, François Duvalier is elected president.
November 8 » Operation Grapple X, Round C1: The United Kingdom conducts its first successful hydrogen bomb test over Kiritimati in the Pacific.
November 14 » The "Apalachin Meeting" in rural Tioga County in upstate New York is raided by law enforcement; many high level Mafia figures are arrested while trying to flee.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I97877.php : accessed January 6, 2026), "Cornelis Kievit (1897-1957)".
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