The temperature on December 19, 1919 was between 3.6 °C and 6.7 °C and averaged 5.1 °C. There was 3.9 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 6 Bft (strong wind) and was prevailing from the northwest. 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.
May 4 » May Fourth Movement: Student demonstrations take place in Tiananmen Square in Beijing, China, protesting the Treaty of Versailles, which transferred Chinese territory to Japan.
June 28 » The Treaty of Versailles is signed, ending the state of war between Germany and the Allies of World War I.
July 6 » The British dirigible R34 lands in New York, completing the first crossing of the Atlantic Ocean by an airship.
September 22 » The steel strike of 1919, led by the Amalgamated Association of Iron and Steel Workers, begins in Pennsylvania before spreading across the United States.
October 28 » The U.S. Congress passes the Volstead Act over President Wilson's veto, paving the way for Prohibition to begin the following January.
November 11 » Latvian forces defeat the West Russian Volunteer Army at Riga in the Latvian War of Independence.
Day of marriage May 31, 1958
The temperature on May 31, 1958 was between 6.5 °C and 20.5 °C and averaged 14.7 °C. There was 0.1 mm of rain. There was 12.9 hours of sunshine (79%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
May 22 » The 1958 riots in Ceylon become a watershed in the race relations of various ethnic communities of Sri Lanka. The total deaths is estimated at 300, mostly Tamils.
May 24 » United Press International is formed through a merger of the United Press and the International News Service.
July 9 » A 7.8 Mw strike-slip earthquake in Alaska causes a landslide that produces a megatsunami. The runup from the waves reached 525m (1,722ft) on the rim of Lituya Bay; five people were killed.
September 12 » Jack Kilby demonstrates the first working integrated circuit while working at Texas Instruments.
December 11 » French Upper Volta and French Dahomey gain self-government from France, becoming the Republic of Upper Volta (now Burkina Faso) and the Republic of Dahomey (now Benin), respectively, and joining the French Community.
December 30 » The Guatemalan Air Force sinks several Mexican fishing boats alleged to have breached maritime borders, killing three and sparking international tension.
When copying data from this family tree, please include a reference to the origin: Eva Drenth, "Family tree Diverse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-drenth/I45364.php : accessed February 24, 2026), "Johannes Jacobus Zwager (1919-2023)".
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