The temperature on June 15, 1919 was between 2.5 °C and 22.2 °C and averaged 13.7 °C. There was 14.0 hours of sunshine (84%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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 18 » World War I: The Paris Peace Conference opens in Versailles, France.
June 2 » Anarchists simultaneously set off bombs in eight separate U.S. cities.
July 13 » The British airship R34 lands in Norfolk, England, completing the first airship return journey across the Atlantic in 182 hours of flight.
October 7 » KLM, the flag carrier of the Netherlands, is founded. It is the oldest airline still operating under its original name.
October 16 » Adolf Hitler delivers his first public address at a meeting of the German Workers' Party.
November 7 » The first Palmer Raid is conducted on the second anniversary of the Russian Revolution. Over 10,000 suspected communists and anarchists are arrested in 23 U.S. cities.
When copying data from this family tree, please include a reference to the origin: Chris Merricks, "Merricks Tree", database, Genealogy Online (https://www.genealogieonline.nl/merricks-tree/I242298578096.php : accessed February 3, 2026), "Gerittje Jansen (1919-2013)".
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