February 9 » The Davis Cup competition is established.
April 15 » Philippine–American War: Filipino guerrillas launch a surprise attack on U.S. infantry and begin a four-day siege of Catubig, Philippines.
May 29 » N'Djamena is founded as Fort-Lamy by the French commander Émile Gentil.
June 14 » Hawaii becomes a United States territory.
July 2 » Jean Sibelius' Finlandia receives its première performance in Helsinki with the Helsinki Philharmonic Society conducted by Robert Kajanus.
September 13 » Filipino insurgents defeat a small American column in the Battle of Pulang Lupa, during the Philippine–American War.
Day of marriage April 25, 1923
The temperature on April 25, 1923 was between -2.4 °C and 11.1 °C and averaged 6.0 °C. There was 3.1 mm of rain. There was 0.1 hours of sunshine (1%). The average windspeed was 5 Bft (very strong wind) 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.
January 1 » Britain's Railways are grouped into the Big Four: LNER, GWR, SR, and LMS.
January 9 » Lithuanian residents of the Memel Territory rebel against the League of Nations' decision to leave the area as a mandated region under French control.
June 9 » Bulgaria's military takes over the government in a coup.
July 1 » The Parliament of Canada suspends all Chinese immigration.
August 2 » Vice President Calvin Coolidge becomes U.S. President upon the death of President Warren G. Harding.
November 11 » Adolf Hitler was arrested in Munich for high treason for his role in the Beer Hall Putsch.
Day of death June 4, 1966
The temperature on June 4, 1966 was between 8.2 °C and 26.1 °C and averaged 18.2 °C. There was 10.4 hours of sunshine (63%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
March 31 » The Soviet Union launches Luna 10 which later becomes the first space probe to enter orbit around the Moon.
July 6 » Malawi becomes a republic, with Hastings Banda as its first President.
August 16 » Vietnam War: The House Un-American Activities Committee begins investigations of Americans who have aided the Viet Cong. The committee intends to introduce legislation making these activities illegal. Anti-war demonstrators disrupt the meeting and 50 people are arrested.
August 22 » Labor movements NFWA and AWOC merge to become the United Farm Workers Organizing Committee (UFWOC), predecessor of the United Farm Workers.
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).
November 8 » Former Massachusetts Attorney General Edward Brooke becomes the first African American elected to the United States Senate since Reconstruction.
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/I119973.php : accessed January 8, 2026), "Koert Bos (1900-1966)".
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