January 17 » The United States takes possession of Wake Island in the Pacific Ocean.
February 2 » The Australian Premiers' Conference held in Melbourne decides to locate Australia's capital city, Canberra, between Sydney and Melbourne.
February 16 » Iceland's first football club, Knattspyrnufélag Reykjavíkur, is founded.
February 22 » Filipino forces led by General Antonio Luna launch counterattacks for the first time against the American forces during the Philippine–American War. The Filipinos fail to regain Manila from the Americans.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
December 2 » Philippine–American War: The Battle of Tirad Pass, termed "The Filipino Thermopylae", is fought.
Day of marriage April 20, 1921
The temperature on April 20, 1921 was between -1.3 °C and 10.4 °C and averaged 4.9 °C. There was 4.1 mm of rain. There was 4.9 hours of sunshine (35%). 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.
March 1 » The Australian cricket team captained by Warwick Armstrong becomes the first team to complete a whitewash of The Ashes, something that would not be repeated for 86 years.
March 19 » Irish War of Independence: One of the biggest engagements of the war takes place at Crossbarry, County Cork. About 100 Irish Republican Army (IRA) volunteers escape an attempt by over 1,300 British forces to encircle them.
July 27 » Researchers at the University of Toronto, led by biochemist Frederick Banting, prove that the hormone insulin regulates blood sugar.
October 26 » The Chicago Theatre opens.
October 29 » The Link River Dam, a part of the Klamath Reclamation Project, is completed.
October 29 » United States: Second trial of Sacco and Vanzetti in Boston, Massachusetts.
When copying data from this family tree, please include a reference to the origin: Lucas A. Ocken, "van Drenthe naar Delft en terug", database, Genealogy Online (https://www.genealogieonline.nl/van-drenthe-naar-delft-en-terug/I373.php : accessed May 11, 2024), "Adriana Johanna Vijverberg (1899-????)".
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