January 1 » Nigeria becomes a British protectorate.
June 17 » The College Board introduces its first standardized test, the forerunner to the SAT.
August 5 » Peter O'Connor sets the first IAAF recognised long jump world record of 24ft 11.75in (7.6137m), a record that would stand for 20 years.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
October 29 » In Amherst, Massachusetts, nurse Jane Toppan is arrested for murdering the Davis family of Boston with an overdose of morphine.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of marriage September 2, 1920
The temperature on September 2, 1920 was between 7.8 °C and 18.9 °C and averaged 13.4 °C. There was 0.1 mm of rain. There was 6.1 hours of sunshine (45%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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.
January 13 » The Reichstag Bloodbath of January 13, 1920, the bloodiest demonstration in German history.
February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
June 15 » Following the 1920 Schleswig plebiscites, Northern Schleswig is transferred from Germany to Denmark.
July 29 » Construction of the Link River Dam begins as part of the Klamath Reclamation Project.
August 11 » The Latvian–Soviet Peace Treaty, which relinquished Russia's authority and pretenses to Latvia, is signed, ending the Latvian War of Independence.
September 16 » The Wall Street bombing: A bomb in a horse wagon explodes in front of the J. P. Morgan building in New York City killing 38 and injuring 400.
When copying data from this family tree, please include a reference to the origin: Hans Lington, "Database Langton / Lengton / Lington - Heil - Rahder", database, Genealogy Online (https://www.genealogieonline.nl/database-langton/I1619.php : accessed October 14, 2026), "Cornelia van Slingeland (1901-)".
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