March 2 » The U.S. Congress passes the Platt Amendment limiting the autonomy of Cuba, as a condition of the withdrawal of American troops.
June 17 » The College Board introduces its first standardized test, the forerunner to the SAT.
August 10 » The U.S. Steel recognition strike by the Amalgamated Association of Iron and Steel Workers begins.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
September 17 » Second Boer War: A Boer column defeats a British force at the Battle of Blood River Poort.
November 1 » Sigma Phi Epsilon, the largest national male collegiate fraternity, is established at Richmond College, in Richmond, Virginia.
Day of marriage August 31, 1923
The temperature on August 31, 1923 was between 7.0 °C and 18.5 °C and averaged 13.2 °C. There was 9.6 hours of sunshine (70%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 9 » Lithuanian residents of the Memel Territory rebel against the League of Nations' decision to leave the area as a mandated region under French control.
February 15 » Greece becomes the last European country to adopt the Gregorian calendar.
March 20 » The Arts Club of Chicago hosts the opening of Pablo Picasso's first United States showing, entitled Original Drawings by Pablo Picasso, becoming an early proponent of modern art in the United States.
April 15 » Insulin becomes generally available for use by people with diabetes.
August 16 » The United Kingdom gives the name "Ross Dependency" to part of its claimed Antarctic territory and makes the Governor-General of the Dominion of New Zealand its administrator.
September 1 » The Great Kantō earthquake devastates Tokyo and Yokohama, killing about 105,000 people.
Day of death June 17, 1987
The temperature on June 17, 1987 was between 6.4 °C and 15.7 °C and averaged 11.0 °C. There was 1.5 mm of rain during 0.8 hours. There was 3.4 hours of sunshine (20%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
May 3 » A crash by Bobby Allison at the Talladega Superspeedway, Alabama fencing at the start-finish line would lead NASCAR to develop the restrictor plate for the following season both at Daytona International Speedway and Talladega.
May 8 » The SAS kills eight Provisional Irish Republican Army volunteers and a civilian during an ambush in Loughgall, Northern Ireland.
August 19 » Hungerford massacre: In the United Kingdom, Michael Ryan kills sixteen people with a semi-automatic rifle and then commits suicide.
September 2 » In Moscow, the trial begins for 19-year-old pilot Mathias Rust, who flew his Cessna airplane into Red Square in May.
November 15 » In Brașov, Romania, workers rebel against the communist regime of Nicolae Ceaușescu.
December 8 » Cold War: The Intermediate-Range Nuclear Forces Treaty is signed by U.S. President Ronald Reagan and Soviet leader Mikhail Gorbachev in the White House.
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/I134945.php : accessed October 10, 2026), "Derk Boonstra (1901-1987)".
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