February 23 » Cuba leases Guantánamo Bay to the United States "in perpetuity".
June 16 » Roald Amundsen leaves Oslo, Norway, to commence the first east–west navigation of the Northwest Passage.
June 16 » The Ford Motor Company is incorporated.
July 1 » Start of first Tour de France bicycle race.
September 27 » The Wreck of the Old 97, an American rail disaster that became the subject of a popular ballad.
November 17 » The Russian Social Democratic Labour Party splits into two groups: The Bolsheviks (Russian for "majority") and Mensheviks (Russian for "minority").
Day of death May 16, 1920
The temperature on May 16, 1920 was between 3.7 °C and 18.3 °C and averaged 11.8 °C. There was 13.3 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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 16 » The League of Nations holds its first council meeting in Paris, France.
April 28 » Azerbaijan is added to the Soviet Union.
July 11 » In the East Prussian plebiscite the local populace decides to remain with Weimar Germany.
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
September 17 » The National Football League is organized as the American Professional Football Association in Canton, Ohio.
November 1 » American fishing schooner Esperanto defeats the Canadian fishing schooner Delawana in the First International Fishing Schooner Championship Races in Halifax, Nova Scotia.
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/I212286.php : accessed December 28, 2025), "Tettje Holtrop (1903-1920)".
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