March 6 » Bayer registers "Aspirin" as a trademark.
July 17 » NEC Corporation is organized as the first Japanese joint venture with foreign capital.
July 29 » The First Hague Convention is signed.
September 13 » Mackinder, Ollier and Brocherel make the first ascent of Batian (5,199 m - 17,058ft), the highest peak of Mount Kenya.
December 11 » Second Boer War: In the Battle of Magersfontein the Boers commanded by general Piet Cronjé inflict a defeat on the forces of the British Empire commanded by Lord Methuen trying to relieve the Siege of Kimberley.
Day of marriage April 10, 1930
The temperature on April 10, 1930 was between 5.2 °C and 15.5 °C and averaged 9.8 °C. There was 7.1 hours of sunshine (52%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-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 26 » The Indian National Congress declares 26 January as Independence Day or as the day for Poorna Swaraj ("Complete Independence") which occurred 17 years later.
March 31 » The Motion Picture Production Code is instituted, imposing strict guidelines on the treatment of sex, crime, religion and violence in film, in the U.S., for the next thirty-eight years.
April 22 » The United Kingdom, Japan and the United States sign the London Naval Treaty regulating submarine warfare and limiting shipbuilding.
June 16 » Sovnarkom establishes decree time in the USSR.
August 7 » The last confirmed lynching of blacks in the Northern United States occurs in Marion, Indiana; two men, Thomas Shipp and Abram Smith, are killed.
December 2 » Great Depression: In a State of the Union message, U.S. President Herbert Hoover proposes a $150 million (equivalent to $2,296,000,000 in 2019) public works program to help generate jobs and stimulate the economy.
Day of death January 29, 1958
The temperature on January 29, 1958 was between -0.6 °C and 7.3 °C and averaged 2.5 °C. There was 7.4 hours of sunshine (83%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
April 5 » Ripple Rock, an underwater threat to navigation in the Seymour Narrows in Canada is destroyed in one of the largest non-nuclear controlled explosions of the time.
April 21 » United Airlines Flight 736 collides into a United States Air Force fighter jet near Arden, Nevada in what is now Enterprise, Nevada.
July 29 » U.S. President Dwight D. Eisenhower signs into law the National Aeronautics and Space Act, which creates the National Aeronautics and Space Administration (NASA).
August 18 » Vladimir Nabokov's controversial novel Lolita is published in the United States.
October 26 » Pan American Airways makes the first commercial flight of the Boeing 707 from New York City to Paris.
December 1 » The Central African Republic attains self-rule within the French Union.
When copying data from this family tree, please include a reference to the origin: Peter Keesman, "Family tree Keesman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-keesman/I122.php : accessed March 1, 2026), "Jan den Adel (1899-1958)".
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