January 31 » Datu Muhammad Salleh is killed in Kampung Teboh, Tambunan, ending the Mat Salleh Rebellion.
February 7 » A Chinese immigrant in San Francisco falls ill to bubonic plague in the first plague epidemic in the continental United States.
February 23 » Second Boer War: During the Battle of the Tugela Heights, the first British attempt to take Hart's Hill fails.
May 22 » The Associated Press is formed in New York City as a non-profit news cooperative.
October 19 » Max Planck discovers Planck's law of black-body radiation.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of marriage April 9, 1923
The temperature on April 9, 1923 was between -1.2 °C and 3.5 °C and averaged 1.3 °C. There was 0.5 mm of rain. There was 1.3 hours of sunshine (10%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
May 26 » The first 24 Hours of Le Mans was held and has since been run annually in June.
June 9 » Bulgaria's military takes over the government in a coup.
July 24 » The Treaty of Lausanne, settling the boundaries of modern Turkey, is signed in Switzerland by Greece, Bulgaria and other countries that fought in World War I.
September 26 » The German government accepts the occupation of the Ruhr.
September 29 » The French Mandate for Syria and the Lebanon takes effect.
November 8 » Beer Hall Putsch: In Munich, Adolf Hitler leads the Nazis in an unsuccessful attempt to overthrow the German government.
Day of death September 4, 1966
The temperature on September 4, 1966 was between 12.8 °C and 19.7 °C and averaged 15.7 °C. There was 4.4 mm of rain during 3.7 hours. There was -0.1 hours of sunshine (0%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 12 » Lyndon B. Johnson states that the United States should stay in South Vietnam until Communist aggression there is ended.
May 15 » After a policy dispute, Prime Minister Nguyễn Cao Kỳ of South Vietnam's ruling junta launches a military attack on the forces of General Tôn Thất Đính, forcing him to abandon his command.
September 6 » Prime Minister Hendrik Verwoerd, the architect of apartheid, is stabbed to death in Cape Town, South Africa during a parliamentary meeting.
September 12 » Gemini 11, the penultimate mission of NASA's Gemini program, and the current human altitude record holder (except for the Apollo lunar missions).
October 1 » West Coast Airlines Flight 956 crashes with no survivors in Oregon. This accident marks the first loss of a DC-9.
November 28 » Michel Micombero overthrows the monarchy of Burundi and makes himself the first president.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I87971.php : accessed February 25, 2026), "Hendrikus van den Boom (1900-1966)".
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