January 17 » The United States takes possession of Wake Island in the Pacific Ocean.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
May 30 » Pearl Hart, a female outlaw of the Old West, robs a stage coach 30 miles southeast of Globe, Arizona.
June 7 » American Temperance crusader Carrie Nation begins her campaign of vandalizing alcohol-serving establishments by destroying the inventory in a saloon in Kiowa, Kansas.
November 28 » The Second Boer War: a British column is engaged by Boer forces at the Battle of Modder River; although the Boers withdraw, the British suffer heavy casualties.
December 2 » Philippine–American War: The Battle of Tirad Pass, termed "The Filipino Thermopylae", is fought.
Day of marriage May 20, 1921
The temperature on May 20, 1921 was between 5.7 °C and 19.3 °C and averaged 12.7 °C. There was 9.6 hours of sunshine (60%). 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 16 » The Marxist Left in Slovakia and the Transcarpathian Ukraine holds its founding congress in Ľubochňa.
February 21 » Constituent Assembly of the Democratic Republic of Georgia adopts the country's first constitution.
April 2 » The Autonomous Government of Khorasan, a military government encompassing the modern state of Iran, is established.
July 2 » World War I: U.S. President Warren G. Harding signs the Knox–Porter Resolution formally ending the war between the United States and Germany.
August 3 » Major League Baseball Commissioner Kenesaw Mountain Landis confirms the ban of the eight Chicago Black Sox, the day after they were acquitted by a Chicago court.
September 11 » Nahalal, the first moshav in Palestine, is settled as part of a Zionist plan of creating a Jewish state, later to be Israel.
Day of death May 24, 1982
The temperature on May 24, 1982 was between 8.9 °C and 16.9 °C and averaged 13.4 °C. There was -0.1 mm of rain. There was 8.3 hours of sunshine (52%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
July 20 » Hyde Park and Regent's Park bombings: The Provisional IRA detonates two bombs in Hyde Park and Regent's Park in central London, killing eight soldiers, wounding forty-seven people, and leading to the deaths of seven horses.
October 1 » Epcot opens at Walt Disney World in Florida.
November 1 » Honda becomes the first Asian automobile company to produce cars in the United States with the opening of its factory in Marysville, Ohio; a Honda Accord is the first car produced there.
November 13 » Ray Mancini defeats Duk Koo Kim in a boxing match held in Las Vegas. Kim's subsequent death (on November 17) leads to significant changes in the sport.
November 30 » Michael Jackson's sixth solo studio album, Thriller, is released worldwide, ultimately to become the best-selling record album in history.
December 3 » A soil sample is taken from Times Beach, Missouri, that will be found to contain 300 times the safe level of dioxin.
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/I200727.php : accessed February 9, 2026), "Jan Koekkoek (1899-1982)".
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