The temperature on June 28, 1918 was between 9.6 °C and 20.2 °C and averaged 15.0 °C. There was 7.0 hours of sunshine (42%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
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 8 » U.S. President Woodrow Wilson announces his "Fourteen Points" for the aftermath of World War I.
February 21 » The last Carolina parakeet dies in captivity at the Cincinnati Zoo.
March 16 » Finnish Civil War: Battle of Länkipohja is infamous for its bloody aftermath as the Whites executed 70–100 capitulated Reds.
April 1 » The Royal Air Force is created by the merger of the Royal Flying Corps and the Royal Naval Air Service.
November 1 » Malbone Street Wreck: The worst rapid transit accident in US history occurs under the intersection of Malbone Street and Flatbush Avenue, Brooklyn, New York City, with at least 102 deaths.
December 16 » Vincas Mickevičius-Kapsukas declares the formation of the Lithuanian Soviet Socialist Republic; it is dissolved in 1919.
Day of death April 15, 1919
The temperature on April 15, 1919 was between 4.9 °C and 9.6 °C and averaged 6.9 °C. There was 5.7 mm of rain. There was 1.8 hours of sunshine (13%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. 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 15 » Great Molasses Flood: A wave of molasses released from an exploding storage tank sweeps through Boston, Massachusetts, killing 21 and injuring 150.
February 5 » Charlie Chaplin, Mary Pickford, Douglas Fairbanks, and D. W. Griffith launch United Artists.
June 2 » Anarchists simultaneously set off bombs in eight separate U.S. cities.
June 21 » The Royal Canadian Mounted Police fire a volley into a crowd of unemployed war veterans, killing two, during the Winnipeg general strike.
September 11 » United States Marine Corps invades Honduras.
October 9 » The Cincinnati Reds win the World Series, resulting in the Black Sox Scandal.
When copying data from this family tree, please include a reference to the origin: H. Grevinga, "Family tree Grevinga", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-grevinga/I2003.php : accessed February 19, 2026), "jan hendrik koers (1918-1919)".
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