March 1 » Henri Becquerel discovers radioactive decay.
May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
June 4 » Henry Ford completes the Ford Quadricycle, his first gasoline-powered automobile, and gives it a successful test run.
July 28 » The city of Miami, Florida is incorporated.
September 22 » Queen Victoria surpasses her grandfather King George III as the longest reigning monarch in British history.
Day of marriage January 19, 1921
The temperature on January 19, 1921 was between 2.2 °C and 7.4 °C and averaged 4.8 °C. There was 4.0 mm of rain. There was 2.5 hours of sunshine (30%). The average windspeed was 6 Bft (strong wind) 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.
February 15 » Kingdom of Romania establishes its legation in Helsinki.
July 10 » Belfast's Bloody Sunday: Sixteen people are killed and 161 houses destroyed during rioting and gun battles in Belfast, Northern Ireland.
July 23 » The Communist Party of China (CPC) is established at the founding National Congress.
September 8 » Margaret Gorman, a 16-year-old, wins the Atlantic City Pageant's Golden Mermaid trophy; pageant officials later dubbed her the first Miss America.
November 4 » The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich.
December 22 » Opening of Visva-Bharati College, also known as Santiniketan College, now Visva Bharati University, India.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentage of Gisbert Jansen Snapper", database, Genealogy Online (https://www.genealogieonline.nl/gisbert-jansen-snapper/I45681.php : accessed January 27, 2026), "Gerrit Dokter (1896-????)".
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