In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
February 29 » St. Petersburg, Florida is incorporated.
June 6 » The Chicago "L" elevated rail system begins operation.
July 4 » Western Samoa changes the International Date Line, causing Monday (July 4) to occur twice, resulting in a year with 367 days.
October 12 » The Pledge of Allegiance is first recited by students in many US public schools.
November 8 » The New Orleans general strike begins, uniting black and white American trade unionists in a successful four-day general strike action for the first time.
December 17 » First issue of Vogue is published.
Day of marriage March 31, 1920
The temperature on March 31, 1920 was between 6.4 °C and 15.7 °C and averaged 10.5 °C. There was 4.4 hours of sunshine (34%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
February 24 » The Nazi Party (NSDAP) was founded by Adolf Hitler in the Hofbräuhaus beer hall in Munich, Germany
August 15 » Polish–Soviet War: Battle of Warsaw, so-called Miracle at the Vistula.
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
August 31 » Polish–Soviet War: A decisive Polish victory in the Battle of Komarów.
November 2 » In the United States, KDKA of Pittsburgh starts broadcasting as the first commercial radio station. The first broadcast is the result of the 1920 United States presidential election.
December 3 » Following more than a month of Turkish–Armenian War, the Turkish dictated Treaty of Alexandropol is concluded.
When copying data from this family tree, please include a reference to the origin: Hans Pruckmuller, "Family tree Van Willigen", database, Genealogy Online (https://www.genealogieonline.nl/van-willigen-stamboom/I12151.php : accessed January 17, 2026), "Adrianus Hendrikus van der Willigen (1892-????)".
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