February 21 » An Englishman raised in Australia, Bob Fitzsimmons, fought an Irishman, Peter Maher, in an American promoted event which technically took place in Mexico, winning the 1896 World Heavyweight Championship in boxing.
April 6 » In Athens, the opening of the first modern Olympic Games is celebrated, 1,500 years after the original games are banned by Roman emperor Theodosius I.
May 27 » The F4-strength St. Louis–East St. Louis tornado hits in St. Louis, Missouri, and East St. Louis, Illinois, killing at least 255 people and causing over $10-million in damage.
June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
December 10 » Alfred Jarry's Ubu Roi premieres in Paris. A riot breaks out at the end of the performance.
Day of marriage November 20, 1920
The temperature on November 20, 1920 was between -1.4 °C and 5.8 °C and averaged 1.4 °C. There was 7.5 hours of sunshine (87%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. 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.
April 28 » Azerbaijan is added to the Soviet Union.
May 9 » Polish–Soviet War: The Polish army under General Edward Rydz-Śmigły celebrates its capture of Kiev with a victory parade on Khreshchatyk.
July 11 » In the East Prussian plebiscite the local populace decides to remain with Weimar Germany.
July 12 » The Soviet–Lithuanian Peace Treaty is signed, by which Soviet Russia recognizes the independence of Lithuania.
August 19 » The Tambov Rebellion breaks out, in response to the Bolshevik policy of Prodrazvyorstka.
December 22 » The GOELRO economic development plan is adopted by the 8th Congress of Soviets of the Russian SFSR.
Day of death June 26, 1968
The temperature on June 26, 1968 was between 13.2 °C and 19.1 °C and averaged 15.9 °C. There was 1.2 mm of rain during 2.5 hours. There was 10.0 hours of sunshine (60%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
July 23 » The only successful hijacking of an El Al aircraft takes place when a Boeing 707 carrying ten crew and 38 passengers is taken over by three members of the Popular Front for the Liberation of Palestine. The aircraft was en route from Rome, to Lod, Israel.
September 2 » Operation OAU begins during the Nigerian Civil War.
October 16 » Kingston, Jamaica is rocked by the Rodney riots, inspired by the barring of Walter Rodney from the country.
October 31 » Vietnam War October surprise: Citing progress with the Paris peace talks, US President Lyndon B. Johnson announces to the nation that he has ordered a complete cessation of "all air, naval, and artillery bombardment of North Vietnam" effective November 1.
November 17 » British European Airways introduces the BAC One-Eleven into commercial service.
December 27 » Apollo program: Apollo 8 splashes down in the Pacific Ocean, ending the first orbital manned mission to the Moon.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I55682.php : accessed February 18, 2026), "Jan Hendrik Koorn (1896-1968)".
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