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 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
Day of marriage March 26, 1921
The temperature on March 26, 1921 was between 1.3 °C and 12.0 °C and averaged 5.8 °C. There was 0.1 mm of rain. There was 2.1 hours of sunshine (17%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. 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.
March 18 » The second Peace of Riga is signed between Poland and the Soviet Union.
March 20 » The Upper Silesia plebiscite was a plebiscite mandated by the Versailles Treaty to determine a section of the border between Weimar Germany and Poland.
July 11 » The Red Army captures Mongolia from the White Army and establishes the Mongolian People's Republic.
July 23 » The Communist Party of China (CPC) is established at the founding National Congress.
September 5 » Roscoe "Fatty" Arbuckle party in San Francisco ends with the death of the young actress Virginia Rappe: One of the first scandals of the Hollywood community.
October 8 » KDKA in Pittsburgh's Forbes Field conducts the first live broadcast of a football game.
Day of death September 18, 1953
The temperature on September 18, 1953 was between 10.4 °C and 19.5 °C and averaged 14.1 °C. There was 1.9 mm of rain during 2.2 hours. There was 8.6 hours of sunshine (69%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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 » Cold War: U.S. President Dwight D. Eisenhower denies all appeals for clemency for Julius and Ethel Rosenberg.
May 4 » Ernest Hemingway wins the Pulitzer Prize for The Old Man and the Sea.
June 9 » The Flint–Worcester tornado outbreak sequence kills 94 people in Massachusetts.
September 26 » Rationing of sugar in the United Kingdom ends
December 24 » Tangiwai disaster: In New Zealand's North Island, at Tangiwai, a railway bridge is damaged by a lahar and collapses beneath a passenger train, killing 151 people.
When copying data from this family tree, please include a reference to the origin: Tineke Fopma, "Family tree Fopma/Bouma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-fopma-bouma/I48794.php : accessed May 15, 2024), "Hendrik Hessels Kielstra (1897-1953)".
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