The temperature on January 18, 1920 was between 8.6 °C and 9.3 °C and averaged 9.1 °C. There was 0.6 mm of rain. The average windspeed was 4 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 17 » Alcohol Prohibition begins in the United States as the Volstead Act goes into effect.
January 28 » Foundation of the Spanish Legion.
February 10 » Józef Haller de Hallenburg performs symbolic wedding of Poland to the sea, celebrating restitution of Polish access to open sea.
March 8 » The Arab Kingdom of Syria, the first modern Arab state to come into existence, is established.
July 11 » In the East Prussian plebiscite the local populace decides to remain with Weimar Germany.
October 14 » Finland and Soviet Russia sign the Treaty of Tartu, exchanging some territories.
Day of marriage November 18, 1943
The temperature on November 18, 1943 was between -0.6 °C and 5.2 °C and averaged 2.2 °C. There was 1.8 hours of sunshine (21%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-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.
March 14 » The liquidation of the Kraków Ghetto is completed.
September 6 » The Monterrey Institute of Technology is founded in Monterrey, Mexico as one of the largest and most influential private universities in Latin America.
September 10 » World War II: In the course of Operation Achse, German troops begin their occupation of Rome.
October 1 » World War II: After the Four Days of Naples, Allied troops enter the city.
October 19 » Streptomycin, the first antibiotic remedy for tuberculosis, is isolated by researchers at Rutgers University.
October 31 » World War II: An F4U Corsair accomplishes the first successful radar-guided interception by a United States Navy or Marine Corps aircraft.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I122944.php : accessed October 15, 2026), "Gerhardus Ettema (1920-)".
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