The temperature on April 18, 1914 was between 4.8 °C and 16.4 °C and averaged 11.2 °C. There was 11.8 hours of sunshine (84%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. 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.
April 9 » Mexican Revolution: One of the world's first naval/air skirmishes takes place off the coast of western Mexico.
May 17 » The Protocol of Corfu is signed, recognising full autonomy to Northern Epirus under nominal Albanian sovereignty.
August 15 » The Panama Canal opens to traffic with the transit of the cargo ship SSAncon.
August 30 » World War I: Germans defeat the Russians in the Battle of Tannenberg.
November 5 » World War I: France and the British Empire declare war on the Ottoman Empire.
December 25 » A series of unofficial truces occur across the Western Front to celebrate Christmas.
Day of death October 1, 1958
The temperature on October 1, 1958 was between 11.1 °C and 16.4 °C and averaged 13.8 °C. There was 1.7 mm of rain during 2.2 hours. The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
March 26 » The African Regroupment Party is launched at a meeting in Paris.
May 13 » May 1958 crisis: A group of French military officers lead a coup in Algiers demanding that a government of national unity be formed with Charles de Gaulle at its head in order to defend French control of Algeria.
June 17 » The Ironworkers Memorial Second Narrows Crossing, in the process of being built to connect Vancouver and North Vancouver (Canada), collapses into the Burrard Inlet killing 18 ironworkers and injuring others.
October 28 » John XXIII is elected Pope.
November 28 » First successful flight of SM-65 Atlas; the first operational intercontinental ballistic missile (ICBM), developed by the United States and the first member of the Atlas rocket family.
December 18 » Project SCORE, the world's first communications satellite, is launched.
When copying data from this family tree, please include a reference to the origin: Gert Pieters, "Family tree Koops", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koops/I46.php : accessed February 22, 2026), "Geert Coster (1885-1958)".
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