The temperature on May 18, 1919 was between 2.4 °C and 15.3 °C and averaged 9.7 °C. There was 13.7 hours of sunshine (87%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. 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 5 » The German Workers' Party, which would become the Nazi Party, is founded in Munich.
January 7 » Montenegrin guerrilla fighters rebel against the planned annexation of Montenegro by Serbia, but fail.
February 21 » German socialist Kurt Eisner is assassinated. His death results in the establishment of the Bavarian Soviet Republic and parliament and government fleeing Munich, Germany.
May 15 » Greek occupation of Smyrna. During the occupation, the Greek army kills or wounds 350 Turks; those responsible are punished by Greek commander Aristides Stergiades.
June 15 » John Alcock and Arthur Brown complete the first nonstop transatlantic flight when they reach Clifden, County Galway, Ireland.
August 11 » Germany's Weimar Constitution is signed into law.
Day of death May 21, 1942
The temperature on May 21, 1942 was between 8.0 °C and 15.2 °C and averaged 12.5 °C. There was 1.4 mm of rain during 3.3 hours. There was 1.5 hours of sunshine (9%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 9 » World War II: Top United States military leaders hold their first formal meeting to discuss American military strategy in the war.
February 28 » The heavy cruiser USSHouston is sunk in the Battle of Sunda Strait with 693 crew members killed, along with HMASPerth which lost 375 men.
June 11 » World War II: The United States agrees to send Lend-Lease aid to the Soviet Union.
July 10 » World War II: An American pilot spots a downed, intact Mitsubishi A6M Zero on Akutan Island (the "Akutan Zero") that the US Navy uses to learn the aircraft's flight characteristics.
August 22 » Brazil declares war on Germany, Japan and Italy.
December 16 » The Holocaust: Schutzstaffel chief Heinrich Himmler orders that Roma candidates for extermination be deported to Auschwitz.
When copying data from this family tree, please include a reference to the origin: T.N.S. Roks-Scheffer, "Family tree Roks/Scheffer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-roks-scheffer/I747.php : accessed March 1, 2026), "Nicolaas Franciscus Roos (1919-1942)".
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