The temperature on July 14, 1920 was between 9.8 °C and 19.7 °C and averaged 15.7 °C. There was 7.2 hours of sunshine (44%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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 8 » The steel strike of 1919 ends in failure for the Amalgamated Association of Iron, Steel and Tin Workers labor union.
February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
April 25 » At the San Remo conference, the principal Allied Powers of World War I adopt a resolution to determine the allocation of Class "A" League of Nations mandates for administration of the former Ottoman-ruled lands of the Middle East.
May 2 » The first game of the Negro National League baseball is played in Indianapolis.
August 26 » The 19th amendment to United States Constitution takes effect, giving women the right to vote.
November 21 » Irish War of Independence: In Dublin, 31 people are killed in what became known as "Bloody Sunday".
When copying data from this family tree, please include a reference to the origin: Walter Planije, "Family tree van Walter Planije en Everarda de Winter met (teveel) vertakkingen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-planije-en-de-winter/I13674.php : accessed May 4, 2024), "Hermannus Opman (± 1869-????)".
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