The temperature on May 1, 1919 was between 3.9 °C and 9.4 °C and averaged 6.5 °C. There was 4.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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 7 » Montenegrin guerrilla fighters rebel against the planned annexation of Montenegro by Serbia, but fail.
January 16 » Nebraska becomes the 36th state to approve the Eighteenth Amendment to the United States Constitution. With the necessary three-quarters of the states approving the amendment, Prohibition is constitutionally mandated in the United States one year later.
February 6 » The American Legion is founded.
April 16 » Polish–Soviet War: The Polish army launches the Vilna offensive to capture Vilnius in modern Lithuania.
May 29 » Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin
November 11 » The Industrial Workers of the World attack an Armistice Day parade in Centralia, Washington, ultimately resulting in the deaths of five people.
Day of marriage May 24, 1941
The temperature on May 24, 1941 was between 7.3 °C and 14.6 °C and averaged 10.9 °C. There was 1.2 hours of sunshine (7%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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.
January 23 » Charles Lindbergh testifies before the U.S. Congress and recommends that the United States negotiate a neutrality pact with Adolf Hitler.
February 5 » World War II: Allied forces begin the Battle of Keren to capture Keren, Eritrea.
April 28 » The Ustaše massacre nearly 200 Serbs in the village of Gudovac, the first massacre of their genocidal campaign against Serbs of the Independent State of Croatia.
May 20 » World War II: Battle of Crete: German paratroops invade Crete.
August 22 » World War II: German troops begin the Siege of Leningrad.
December 21 » World War II: A formal treaty of alliance between Thailand and Japan is signed in the presence of the Emerald Buddha in Wat Phra Kaew, Thailand.
Day of death June 6, 1983
The temperature on June 6, 1983 was between 6.8 °C and 19.6 °C and averaged 14.2 °C. There was 13.2 hours of sunshine (80%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
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.
January 19 » The Apple Lisa, the first commercial personal computer from Apple Inc. to have a graphical user interface and a computer mouse, is announced.
February 18 » Thirteen people die and one is seriously injured in the Wah Mee massacre in Seattle. It is said to be the largest robbery-motivated mass-murder in U.S. history.
March 2 » Compact discs and players are released for the first time in the United States and other markets. They had previously been available only in Japan.
May 17 » The U.S. Department of Energy declassifies documents showing world's largest mercury pollution event in Oak Ridge, Tennessee (ultimately found to be 4.2million pounds [1.9kt]), in response to the Appalachian Observer's Freedom of Information Act request.
July 24 » George Brett batting for the Kansas City Royals against the New York Yankees, has a game-winning home run nullified in the "Pine Tar Incident".
October 13 » Ameritech Mobile Communications launches the first US cellular network in Chicago.
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/I143526.php : accessed October 24, 2026), "Kornelis de Boer (1919-1983)".
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