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.
May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
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.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
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.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
Day of marriage May 18, 1922
The temperature on May 18, 1922 was between 10.6 °C and 17.9 °C and averaged 13.2 °C. There was 4.5 hours of sunshine (28%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
April 15 » U.S. Senator John B. Kendrick of Wyoming introduces a resolution calling for an investigation of a secret land deal, which leads to the discovery of the Teapot Dome scandal.
June 30 » In Washington D.C., U.S. Secretary of State Charles Evans Hughes and Dominican Ambassador Francisco J. Peynado sign the Hughes–Peynado agreement, which ends the United States occupation of the Dominican Republic.
July 9 » Johnny Weissmuller swims the 100 meters freestyle in 58.6 seconds breaking the world swimming record and the 'minute barrier'.
August 30 » Battle of Dumlupınar: The final battle in the Greco-Turkish War ("Turkish War of Independence").
October 19 » British Conservative MPs vote to terminate the coalition government with the Liberal Party.
Day of death May 18, 1953
The temperature on May 18, 1953 was between 7.6 °C and 19.9 °C and averaged 15.4 °C. There was 0.1 mm of rain during 1.0 hours. There was 1.9 hours of sunshine (12%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
February 11 » The Soviet Union breaks off diplomatic relations with Israel.
April 13 » CIA director Allen Dulles launches the mind-control program Project MKUltra.
April 24 » Winston Churchill is knighted by Queen Elizabeth II.
May 18 » Jackie Cochran becomes the first woman to break the sound barrier.
October 1 » Andhra State is formed, consisting of a Telugu-speaking area carved out of India's Madras State.
October 29 » BCPA Flight 304 DC-6 crashes near San Francisco.
Day of burial May 21, 1953
The temperature on May 21, 1953 was between 10.9 °C and 25.1 °C and averaged 17.3 °C. There was 7.2 hours of sunshine (45%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
February 3 » The Batepá massacre occurred in São Tomé when the colonial administration and Portuguese landowners unleashed a wave of violence against the native creoles known as forros.
February 11 » The Soviet Union breaks off diplomatic relations with Israel.
May 4 » Ernest Hemingway wins the Pulitzer Prize for The Old Man and the Sea.
October 30 » President Eisenhower approves the top-secret document NSC 162/2 concerning the maintenance of a strong nuclear deterrent force against the Soviet Union.
November 21 » The Natural History Museum, London announces that the "Piltdown Man" skull, initially believed to be one of the most important fossilized hominid skulls ever found, is a hoax.
December 9 » Red Scare: General Electric announces that all communist employees will be discharged from the company.
When copying data from this family tree, please include a reference to the origin: Jan Werkman, "Family tree Jan Werkman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-jan-werkman/I126047.php : accessed June 24, 2024), "Mina Gernaat (1897-1953)".
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