The temperature on May 15, 1890 was about 15.1 °C. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 65%. Source: KNMI
January 22 » The United Mine Workers of America is founded in Columbus, Ohio.
June 1 » The United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.
July 3 » Idaho is admitted as the 43rd U.S. state.
September 25 » The United States Congress establishes Sequoia National Park.
November 29 » The Meiji Constitution goes into effect in Japan, and the first Diet convenes.
December 29 » Wounded Knee Massacre on Pine Ridge Indian Reservation, 300 Lakota are killed by the United States 7th Cavalry Regiment.
Day of death September 7, 1971
The temperature on September 7, 1971 was between 8.3 °C and 22.5 °C and averaged 15.6 °C. There was 12.2 hours of sunshine (92%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
May 31 » In accordance with the Uniform Monday Holiday Act passed by the U.S. Congress in 1968, observation of Memorial Day occurs on the last Monday in May for the first time, rather than on the traditional Memorial Day of May 30.
August 5 » The first Pacific Islands Forum (then known as the "South Pacific Forum") is held in Wellington, New Zealand, with the aim of enhancing cooperation between the independent countries of the Pacific Ocean.
October 1 » The first practical CT scanner is used to diagnose a patient.
October 28 » Prospero becomes the only British satellite to be launched by a British rocket.
November 14 » Mariner 9 enters orbit around Mars.
November 23 » Representatives of the People's Republic of China attend the United Nations, including the United Nations Security Council, for the first time.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I247127.php : accessed January 22, 2026), "Cornelia de Leeuw (1890-1971)".
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