April 22 » Spanish–American War: The USSNashville captures a Spanish merchant ship.
April 25 » Spanish–American War: The United States declares war on Spain.
June 13 » Yukon Territory is formed, with Dawson chosen as its capital.
June 17 » The United States Navy Hospital Corps is established.
July 3 » A Spanish squadron, led by Pascual Cervera y Topete, is defeated by an American squadron under William T. Sampson in the Battle of Santiago de Cuba.
December 26 » Marie and Pierre Curie announce the isolation of radium.
Day of death May 30, 1921
The temperature on May 30, 1921 was between 5.2 °C and 19.7 °C and averaged 14.4 °C. There was 7.7 hours of sunshine (47%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. 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.
When copying data from this family tree, please include a reference to the origin: Gerard Entius, "Family tree Entius", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-enius/I44.php : accessed January 27, 2026), "Willem Igatius Entius (1898-1921)".
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