January 31 » Czechoslav Trade Union Association is founded in Prague.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
Day of marriage June 4, 1920
The temperature on June 4, 1920 was between 6.3 °C and 13.5 °C and averaged 9.9 °C. There was 0.9 mm of rain. There was 1.0 hours of sunshine (6%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-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.
January 10 » League of Nations Covenant enters into force. On January 16 the organization holds its first council meeting, in Paris.
January 17 » Alcohol Prohibition begins in the United States as the Volstead Act goes into effect.
February 24 » The Nazi Party (NSDAP) was founded by Adolf Hitler in the Hofbräuhaus beer hall in Munich, Germany
April 25 » At the San Remo conference, the principal Allied Powers of World War I adopt a resolution to determine the allocation of Class "A" League of Nations mandates for administration of the former Ottoman-ruled lands of the Middle East.
July 15 » The Polish Parliament establishes Silesian Voivodeship before the Polish-German plebiscite.
September 7 » Two newly purchased Savoia flying boats crash in the Swiss Alps en route to Finland where they would serve with the Finnish Air Force, killing both crews.
Day of death July 7, 1982
The temperature on July 7, 1982 was between 10.1 °C and 23.2 °C and averaged 17.1 °C. There was 12.4 hours of sunshine (75%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
In The Netherlands , there was from Saturday, May 29, 1982 to Thursday, November 4, 1982 the cabinet Van Agt III, with Mr. A.A.M. van Agt (CDA) as prime minister.
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
March 22 » NASA's Space Shuttle Columbia is launched from the Kennedy Space Center on its third mission, STS-3.
May 21 » Falklands War: A British amphibious assault during Operation Sutton leads to the Battle of San Carlos.
June 13 » Battles of Tumbledown and Wireless Ridge, during the Falklands War.
August 29 » The synthetic chemical element Meitnerium, atomic number 109, is first synthesized at the Gesellschaft für Schwerionenforschung in Darmstadt, Germany.
September 1 » The United States Air Force Space Command is founded.
October 5 » Tylenol products are recalled after bottles in Chicago laced with cyanide cause seven deaths.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Jan Thonis", database, Genealogy Online (https://www.genealogieonline.nl/jan-thonis/I47187.php : accessed February 25, 2026), "Evert Davelaar (1897-1982)".
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