January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
April 20 » Pierre and Marie Curie refine radium chloride.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
May 20 » Cuba gains independence from the United States. Tomás Estrada Palma becomes the country's first President.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
December 28 » The Syracuse Athletic Club defeated the New York Philadelphians, 5–0, in the first indoor professional football game, which was held at Madison Square Garden.
Day of marriage May 23, 1930
The temperature on May 23, 1930 was between 8.8 °C and 19.8 °C and averaged 14.1 °C. There was 12.9 hours of sunshine (80%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 12 » Mahatma Gandhi begins the Salt March, a 200-mile march to the sea to protest the British monopoly on salt in India.
March 29 » Heinrich Brüning is appointed German Reichskanzler.
April 6 » At the end of the Salt March, Gandhi raises a lump of mud and salt and declares, "With this, I am shaking the foundations of the British Empire."
June 1 » The Deccan Queen is introduced as first intercity train between Bombay VT (Now Mumbai CST) and Poona (Pune) to run on electric locomotives.
June 16 » Sovnarkom establishes decree time in the USSR.
September 17 » The Kurdish Ararat rebellion is suppressed by the Turks.
Day of death July 25, 1994
The temperature on July 25, 1994 was between 18.7 °C and 29.0 °C and averaged 23.6 °C. There was 0.8 mm of rain during 1.3 hours. There was 7.1 hours of sunshine (45%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the 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.
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
February 3 » Space Shuttle program: STS-60 is launched, carrying Sergei Krikalev, the first Russian cosmonaut to fly aboard the Shuttle.
May 9 » Disappearance of Cleashindra Hall in Pine Bluff, Arkansas.
June 1 » Republic of South Africa becomes a Commonwealth republic.
October 1 » Palau enters a Compact of Free Association with the United States.
November 20 » The Angolan government and UNITA rebels sign the Lusaka Protocol in Zambia, ending 19 years of civil war. (Localized fighting resumes the next year.)
November 22 » The Sega Saturn is released in Japan.
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/I166749.php : accessed October 19, 2026), "Jannes de Boer (1902-1994)".
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