February 27 » King George I of Greece survives an assassination attempt.
July 4 » En route from New York to Le Havre, the SS La Bourgogne collides with another ship and sinks off the coast of Sable Island, with the loss of 549 lives.
July 25 » Spanish-American War: The American invasion of Spanish-held Puerto Rico begins, as United States Army troops under General Nelson A. Miles land and secure the port at Guánica.
August 24 » Count Muravyov, Foreign Minister of Russia presents a rescript that convoked the First Hague Peace Conference.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
December 10 » Spanish–American War: The Treaty of Paris is signed, officially ending the conflict.
Day of death April 28, 1961
The temperature on April 28, 1961 was between 8.8 °C and 13.7 °C and averaged 10.1 °C. There was 12.7 mm of rain during 8.9 hours. There was 2.9 hours of sunshine (20%). The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the ??. Source: KNMI
January 20 » John F. Kennedy is inaugurated the 35th President of the United States of America, becoming the second youngest man to take the office, and the first Catholic.
May 16 » Park Chung-hee leads a coup d'état to overthrow the Second Republic of South Korea.
June 23 » The Antarctic Treaty System, which sets aside Antarctica as a scientific preserve and limits military activity on the continent, its islands and ice shelves, comes into force.
July 21 » Mercury program: Mercury-Redstone 4 Mission: Gus Grissom piloting Liberty Bell 7 becomes the second American to go into space (in a suborbital mission).
September 12 » The African and Malagasy Union is founded.
October 29 » Syria exits from the United Arab Republic.
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/I111387.php : accessed February 15, 2026), "Geertje Anna Blokstra (1898-1961)".
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