The temperature on November 15, 1914 was between 0.1 °C and 4.9 °C and averaged 2.3 °C. There was 5.8 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. 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.
August 9 » Start of the Battle of Mulhouse, part of a French attempt to recover the province of Alsace and the first French offensive of World War I.
August 30 » World War I: Germans defeat the Russians in the Battle of Tannenberg.
September 1 » The last known passenger pigeon, a female named Martha, dies in captivity in the Cincinnati Zoo.
September 14 » HMASAE1, the Royal Australian Navy's first submarine, was lost at sea with all hands near East New Britain, Papua New Guinea.
November 1 » World War I: The Australian Imperial Force (AIF) departed by ship in a single convoy from Albany, Western Australia bound for Egypt.
Day of death April 5, 1920
The temperature on April 5, 1920 was between 1.7 °C and 11.5 °C and averaged 7.0 °C. There was 3.0 hours of sunshine (23%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 10 » League of Nations Covenant enters into force. On January 16 the organization holds its first council meeting, in Paris.
February 2 » The Tartu Peace Treaty is signed between Estonia and Russia.
February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
March 8 » The Arab Kingdom of Syria, the first modern Arab state to come into existence, is established.
March 28 » Palm Sunday tornado outbreak of 1920 affects the Great Lakes region and Deep South states.
October 30 » The Communist Party of Australia is founded in Sydney.
When copying data from this family tree, please include a reference to the origin: J. de Koning, "Family tree De Koning", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-koning/R982.php : accessed February 27, 2026), "Jan Pieter de Koning (1914-1920)".
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