February 6 » Spanish–American War: The Treaty of Paris, a peace treaty between the United States and Spain, is ratified by the United States Senate.
February 14 » Voting machines are approved by the U.S. Congress for use in federal elections.
March 27 » Emilio Aguinaldo leads Filipino forces for the only time during the Philippine–American War at the Battle of Marilao River.
April 18 » The St. Andrew's Ambulance Association is granted a royal charter by Queen Victoria.
July 26 » Ulises Heureaux, the 27th President of the Dominican Republic, is assassinated.
Day of marriage March 11, 1921
The temperature on March 11, 1921 was between 0.4 °C and 14.7 °C and averaged 7.1 °C. There was 9.4 hours of sunshine (82%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. 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 20 » The first Constitution of Turkey is adopted, making fundamental changes in the source and exercise of sovereignty by consecrating the principle of national sovereignty.
February 15 » Kingdom of Romania establishes its legation in Helsinki.
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.
May 8 » The creation of the Communist Party of Romania.
September 5 » Roscoe "Fatty" Arbuckle party in San Francisco ends with the death of the young actress Virginia Rappe: One of the first scandals of the Hollywood community.
October 29 » The Link River Dam, a part of the Klamath Reclamation Project, is completed.
When copying data from this family tree, please include a reference to the origin: Erwin Strookappe, "Descendants Lavarne", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-laverne/I21189.php : accessed March 2, 2026), "Grada Mensink (1899-????)".
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