January 22 » The United Mine Workers of America is founded in Columbus, Ohio.
March 4 » The longest bridge in Great Britain, the Forth Bridge in Scotland, measuring 1,710 feet (520m) long, is opened by the Duke of Rothesay, later King Edward VII.
April 7 » Completion of the first Lake Biwa Canal.
June 1 » The United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.
July 27 » Vincent van Gogh shoots himself and dies two days later.
December 15 » Hunkpapa Lakota leader Sitting Bull is killed on Standing Rock Indian Reservation, leading to the Wounded Knee Massacre.
Day of death May 9, 1952
The temperature on May 9, 1952 was between 6.0 °C and 16.6 °C and averaged 12.7 °C. There was 0.5 mm of rain during 0.7 hours. There was 3.8 hours of sunshine (25%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
February 6 » Elizabeth II becomes Queen of the United Kingdom and her other Realms and Territories and Head of the Commonwealth upon the death of her father, George VI. At the exact moment of succession, she was in a tree house at the Treetops Hotel in Kenya.
April 8 » U.S. President Harry Truman calls for the seizure of all domestic steel mills in an attempt to prevent the 1952 steel strike.
April 21 » Secretary's Day (now Administrative Professionals' Day) is first celebrated.
May 7 » The concept of the integrated circuit, the basis for all modern computers, is first published by Geoffrey Dummer.
June 26 » The Pan-Malayan Labour Party is founded in Malaya, as a union of statewide labour parties.
December 1 » The New York Daily News reports the news of Christine Jorgensen, the first notable case of sex reassignment surgery.
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/I21953.php : accessed February 1, 2026), "Jan van Rootselaar (1890-1952)".
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