February 27 » Second Boer War: Australian soldiers Harry "Breaker" Morant and Peter Handcock are executed in Pretoria after being convicted of war crimes.
March 7 » Second Boer War: Boers, led by Koos de la Rey, inflict the biggest defeat upon the British since the beginning of the war, at Tweebosch.
June 28 » The U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
November 21 » The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of marriage April 30, 1930
The temperature on April 30, 1930 was between 3.3 °C and 13.8 °C and averaged 9.1 °C. There was 13.1 hours of sunshine (88%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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.
January 30 » The Politburo of the Soviet Union orders the extermination of the Kulaks.
March 13 » The news of the discovery of Pluto is announced by Lowell Observatory.
March 29 » Heinrich Brüning is appointed German Reichskanzler.
July 7 » Industrialist Henry J. Kaiser begins construction of Boulder Dam (now known as Hoover Dam).
October 3 » The German Socialist Labour Party in Poland – Left is founded.
December 16 » Bank robber Herman Lamm and members of his crew are killed by a 200-strong posse, following a botched bank robbery, in Clinton, Indiana.
Day of death June 3, 1971
The temperature on June 3, 1971 was between 13.7 °C and 27.2 °C and averaged 20.5 °C. There was -0.1 mm of rain. There was 11.9 hours of sunshine (72%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 25 » Idi Amin leads a coup deposing Milton Obote and becomes Uganda's president.
February 9 » The 6.5–6.7 Mw Sylmar earthquake hits the Greater Los Angeles Area with a maximum Mercalli intensity of XI (Extreme), killing 64 and injuring 2,000.
February 15 » The decimalisation of British coinage is completed on Decimal Day.
March 1 » President of Pakistan Yahya Khan indefinitely postpones the pending national assembly session, precipitating massive civil disobedience in East Pakistan.
October 28 » Prospero becomes the only British satellite to be launched by a British rocket.
November 10 » In Cambodia, Khmer Rouge forces attack the city of Phnom Penh and its airport, killing 44, wounding at least 30 and damaging nine aircraft.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Geurt Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/geurt-jacobs/I20697.php : accessed January 18, 2026), "Harmen Jan Hendrik van Dompselaar (1902-1971)".
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