April 21 » Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
April 25 » Spanish–American War: The United States declares war on Spain.
August 13 » Carl Gustav Witt discovers 433 Eros, the first near-Earth asteroid to be found.
September 2 » Battle of Omdurman: British and Egyptian troops defeat Sudanese tribesmen and establish British dominance in Sudan.
December 18 » Gaston de Chasseloup-Laubat sets the first officially recognized land speed record of 39.245mph (63.159km/h) in a Jeantaud electric car.
December 26 » Marie and Pierre Curie announce the isolation of radium.
Day of death May 24, 1961
The temperature on May 24, 1961 was between 3.4 °C and 18.9 °C and averaged 12.9 °C. There was 8.7 hours of sunshine (54%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 17 » U.S. President Dwight D. Eisenhower delivers a televised farewell address to the nation three days before leaving office, in which he warns against the accumulation of power by the "military–industrial complex" as well as the dangers of massive spending, especially deficit spending.
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.
April 11 » The trial of Adolf Eichmann begins in Jerusalem.
April 27 » Sierra Leone is granted its independence from the United Kingdom, with Milton Margai as the first Prime Minister.
May 31 » The South African Constitution of 1961 becomes effective, thus creating the Republic of South Africa, which remains outside the Commonwealth of Nations until 1 June 1994, when South Africa is returned to Commonwealth membership.
July 20 » French military forces break the Tunisian siege of Bizerte.
When copying data from this family tree, please include a reference to the origin: Cornelis Chatelain, "Family tree Chatelain", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-chatelain/I500023.php : accessed October 23, 2026), "Johannes Verschoor (1898-1961)".
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