The temperature on March 18, 1915 was between 1.6 °C and 4.5 °C and averaged 3.0 °C. There was 0.7 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 19 » Georges Claude patents the neon discharge tube for use in advertising.
February 19 » World War I: The first naval attack on the Dardanelles begins when a strong Anglo-French task force bombards Ottoman artillery along the coast of Gallipoli.
April 5 » Boxing challenger Jess Willard knocks out Jack Johnson in Havana, Cuba to become the Heavyweight Champion of the World.
May 1 » The RMSLusitania departs from New York City on her 202nd, and final, crossing of the North Atlantic. Six days later, the ship is torpedoed off the coast of Ireland with the loss of 1,198 lives.
May 9 » World War I: Second Battle of Artois between German and French forces.
June 29 » The North Saskatchewan River flood of 1915 is the worst flood in Edmonton history.
Day of death December 17, 1961
The temperature on December 17, 1961 was between -7.7 °C and -2.5 °C and averaged -5.3 °C. There was 6.2 hours of sunshine (80%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
January 9 » British authorities announce they have uncovered the Soviet Portland Spy Ring in London.
January 25 » In Washington, D.C., President John F. Kennedy delivers the first live presidential television news conference.
February 14 » Discovery of the chemical elements: Element 103, Lawrencium, is first synthesized at the University of California.
April 16 » In a nationally broadcast speech, Cuban leader Fidel Castro declares that he is a Marxist–Leninist and that Cuba is going to adopt Communism.
December 9 » Tanganyika becomes independent from Britain.
December 17 » Niterói circus fire: Fire breaks out during a performance by the Gran Circus Norte-Americano in the city of Niterói, Rio de Janeiro, Brazil, killing more than 500.
When copying data from this family tree, please include a reference to the origin: Arie Verloop, "Family tree Verloop", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-verloop/I2305.php : accessed October 20, 2026), "Jacob (Jaap) VERLOOP (1915-1961)".
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