April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
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.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
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.
December 30 » The British Colony of Natal annexes Zululand.
Day of marriage May 14, 1926
The temperature on May 14, 1926 was between 3.4 °C and 12.4 °C and averaged 8.4 °C. There was 0.3 mm of rain. There was 0.4 hours of sunshine (3%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
April 21 » Al-Baqi cemetery, former site of the mausoleum of four Shi'a Imams, is leveled to the ground by Wahhabis.
May 22 » Chiang Kai-shek replaces the communists in Kuomintang China.
June 23 » The College Board administers the first SAT exam.
June 28 » Mercedes-Benz is formed by Gottlieb Daimler and Karl Benz merging their two companies.
August 6 » In New York City, the Warner Bros.' Vitaphone system premieres with the movie Don Juan starring John Barrymore.
November 25 » The deadliest November tornado outbreak in U.S. history kills 76 people and injures more than 400.
Day of death September 22, 1993
The temperature on September 22, 1993 was between 9.9 °C and 16.7 °C and averaged 14.3 °C. There was 1.9 mm of rain during 4.8 hours. There was 0.2 hours of sunshine (2%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. 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.
March 12 » North Korea announces that it will withdraw from the Treaty on the Non-Proliferation of Nuclear Weapons and refuses to allow inspectors access to its nuclear sites.
April 8 » The Republic of North Macedonia joins the United Nations.
April 21 » The Supreme Court in La Paz, Bolivia, sentences former dictator Luis García Meza to 30 years in jail without parole for murder, theft, fraud and violating the constitution.
May 24 » Roman Catholic Cardinal Juan Jesús Posadas Ocampo and five other people are assassinated in a shootout at Miguel Hidalgo y Costilla Guadalajara International Airport in Mexico.
July 25 » Israel launches a massive attack against Lebanon in what the Israelis call Operation Accountability, and the Lebanese call the Seven-Day War.
October 7 » The flood of '93 ends at St. Louis, Missouri, 103 days after it began, as the Mississippi River falls below flood stage.
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/I101949.php : accessed October 15, 2026), "Willem de Boer (1897-1993)".
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