The temperature on November 30, 1914 was between 6.9 °C and 11.5 °C and averaged 9.2 °C. There was 0.6 mm of rain. The average windspeed was 6 Bft (strong wind) and was prevailing from the south-southwest. 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 1 » The SPT Airboat Line becomes the world's first scheduled airline to use a winged aircraft.
May 15 » During a poker game at the Gaiety Theatre in Galesburg, Illinois, comedian Art Fisher nicknames Chicko, Harpo, Groucho, and Gummo Marx.
July 11 » USSNevada(BB-36) is launched.
July 18 » The U.S. Congress forms the Aviation Section, U.S. Signal Corps, giving official status to aircraft within the U.S. Army for the first time.
August 1 » The German Empire declares war on the Russian Empire at the opening of World War I. The Swiss Army mobilizes because of World War I.
November 7 » The German colony of Kiaochow Bay and its centre at Tsingtao are captured by Japanese forces.
Day of death March 31, 1915
The temperature on March 31, 1915 was between -2.4 °C and 8.6 °C and averaged 2.8 °C. There was 10.5 hours of sunshine (82%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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.
March 27 » Typhoid Mary, the first healthy carrier of disease ever identified in the United States is put in quarantine for the second time, where she would remain for the rest of her life.
April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
May 22 » Three trains collide in the Quintinshill rail disaster near Gretna Green, Scotland, killing 227 people and injuring 246.
June 5 » Denmark amends its constitution to allow women's suffrage.
July 25 » RFC Captain Lanoe Hawker becomes the first British pursuit aviator to earn the Victoria Cross.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I22706.php : accessed January 28, 2026), "Cornelis Hendricus van Helvert (1914-1915)".
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