June 17 » The College Board introduces its first standardized test, the forerunner to the SAT.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
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 14 » U.S. President William McKinley dies after being mortally wounded on September 6 by anarchist Leon Czolgosz and is succeeded by Vice President Theodore Roosevelt.
September 28 » Philippine–American War: Filipino guerrillas kill more than forty American soldiers while losing 28 of their own.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of marriage July 3, 1924
The temperature on July 3, 1924 was between 10.4 °C and 19.9 °C and averaged 15.4 °C. There was 3.4 mm of rain. There was 4.0 hours of sunshine (24%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-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.
April 1 » Adolf Hitler is sentenced to five years imprisonment for his participation in the "Beer Hall Putsch" but spends only nine months in jail.
April 15 » Rand McNally publishes its first road atlas.
May 21 » University of Chicago students Richard Loeb and Nathan Leopold, Jr. murder 14-year-old Bobby Franks in a "thrill killing".
September 9 » Hanapepe massacre occurs on Kauai, Hawaii.
October 25 » The Zinoviev letter, which Zinoviev himself denied writing, is published in the Daily Mail; the Labour party would later blame this letter for the Conservatives' landslide election win four days later.
December 19 » The last Rolls-Royce Silver Ghost is sold in London, England.
Day of death April 17, 1993
The temperature on April 17, 1993 was between 9.4 °C and 11.3 °C and averaged 10.3 °C. There was 2.2 mm of rain during 2.8 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 8 » General Motors sues NBC after Dateline NBC allegedly rigs two crashes intended to demonstrate that some GM pickups can easily catch fire if hit in certain places. NBC settles the lawsuit the next day.
March 11 » Janet Reno is confirmed by the United States Senate and sworn in the next day, becoming the first female Attorney General of the United States.
April 28 » A Zambia Air Force DHC-5 Buffalo crashes off the coast of Libreville, Gabon, killing all 30 passengers, which included the entire Zambia national football team.
May 1 » Dingiri Banda Wijetunga became president of Sri Lanka automatically after killing of R Premadasa in LTTE bomb explosion.
September 21 » Russian President Boris Yeltsin triggers a constitutional crisis when he suspends parliament and scraps the constitution.
October 30 » The Troubles: Loyalists carry out a mass shooting at a Halloween party in Greysteel, Northern Ireland, killing six Catholics and two Protestants.
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The Family tree Jonker publication was prepared by Hendrik Willem Jonker (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Hendrik Willem Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-jonker/I990.php : accessed February 15, 2026), "Hendrik Jonkers (1901-1993)".
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