January 28 » Walter Arnold of East Peckham, Kent, becomes the first person to be convicted of speeding. He was fined one shilling, plus costs, for speeding at 8mph (13km/h), thereby exceeding the contemporary speed limit of 2mph (3.2km/h).
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.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
August 16 » Skookum Jim Mason, George Carmack and Dawson Charlie discover gold in a tributary of the Klondike River in Canada, setting off the Klondike Gold Rush.
September 21 » Anglo-Egyptian conquest of Sudan: British forces under the command of Horatio Kitchener take Dongola.
December 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
Day of marriage May 20, 1920
The temperature on May 20, 1920 was between 6.4 °C and 15.9 °C and averaged 11.2 °C. There was 6.8 mm of rain. There was 0.1 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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.
January 10 » The Treaty of Versailles takes effect, officially ending World War I.
February 10 » About 75% of the population in Zone I votes to join Denmark in the 1920 Schleswig plebiscites.
August 19 » The Tambov Rebellion breaks out, in response to the Bolshevik policy of Prodrazvyorstka.
August 20 » The National Football League is organized as the American Professional Football Conference in Canton, Ohio
November 2 » In the United States, KDKA of Pittsburgh starts broadcasting as the first commercial radio station. The first broadcast is the result of the 1920 United States presidential election.
December 22 » The GOELRO economic development plan is adopted by the 8th Congress of Soviets of the Russian SFSR.
Day of death September 28, 1970
The temperature on September 28, 1970 was between 11.6 °C and 22.8 °C and averaged 16.3 °C. There was 8.2 hours of sunshine (69%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
March 4 » French submarine Eurydice explodes underwater, resulting in the loss of the entire 57-man crew.
June 4 » Tonga gains independence from the United Kingdom.
August 17 » Venera program: Venera 7 launched. It will later become the first spacecraft to successfully transmit data from the surface of another planet (Venus).
November 4 » Salvador Allende takes office as President of Chile, the first Marxist to become president of a Latin American country through open elections.
November 5 » The Military Assistance Command, Vietnam reports the lowest weekly American soldier death toll in five years (24).
November 18 » U.S. President Richard Nixon asks the U.S. Congress for $155 million in supplemental aid for the Cambodian government.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I175794.php : accessed February 20, 2026), "Hendrik Jongsma (1896-1970)".
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