The temperature on June 4, 1880 was about 11.1 °C. There was 6 mm of rain. The air pressure was 3 kgf/m2 and came mainly from the northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 93%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
February 13 » Thomas Edison observes Thermionic emission.
May 11 » Seven people are killed in the Mussel Slough Tragedy, a gun battle in California.
May 13 » In Menlo Park, New Jersey, Thomas Edison performs the first test of his electric railway.
June 7 » War of the Pacific: The Battle of Arica, the assault and capture of Morro de Arica (Arica Cape), ends the Campaña del Desierto (Desert Campaign).
June 24 » First performance of O Canada at the Congrès national des Canadiens-Français. The song would later become the national anthem of Canada.
September 16 » The Cornell Daily Sun prints its first issue in Ithaca, New York. The Sun is the United States' oldest, continuously-independent college daily.
Day of death July 6, 1960
The temperature on July 6, 1960 was between 13.1 °C and 19.2 °C and averaged 16.1 °C. There was 1.5 mm of rain during 1.1 hours. There was 5.4 hours of sunshine (33%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
March 17 » U.S. President Dwight D. Eisenhower signs the National Security Council directive on the anti-Cuban covert action program that will ultimately lead to the Bay of Pigs Invasion.
May 3 » The Anne Frank House museum opens in Amsterdam, Netherlands.
June 23 » The United States Food and Drug Administration declares Enovid to be the first officially approved combined oral contraceptive pill in the world.
September 5 » Muhammad Ali (then known as Cassius Clay) wins the gold medal in the light heavyweight boxing competition at the Olympic Games in Rome.
October 29 » In Louisville, Kentucky, Cassius Clay (who later takes the name Muhammad Ali) wins his first professional fight.
November 25 » The Mirabal sisters of the Dominican Republic are assassinated.
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/I1953.php : accessed October 25, 2026), "Hendrikje Jongsma (1880-1960)".
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