The temperature on June 5, 1865 was about 19.4 °C. The air pressure was 1 kgf/m2 and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 55%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
January 31 » American Civil War: Confederate General Robert E. Lee becomes general-in-chief.
April 20 » Astronomer Angelo Secchi demonstrates the Secchi disk, which measures water clarity, aboard Pope Pius IX's yacht, the L'Immaculata Concezion.
May 9 » American Civil War: Nathan Bedford Forrest surrenders his forces at Gainesville, Alabama.
May 17 » The International Telegraph Union (later the International Telecommunication Union) is established in Paris.
May 25 » In Mobile, Alabama, around 300 people are killed when an ordnance depot explodes.
June 28 » The Army of the Potomac is disbanded.
Day of marriage August 21, 1890
The temperature on August 21, 1890 was about 14.8 °C. The air pressure was 1 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 95%. Source: KNMI
April 14 » The Pan-American Union is founded by the First International Conference of American States in Washington, D.C.
July 26 » In Buenos Aires, Argentina the Revolución del Parque takes place, forcing President Miguel Ángel Juárez Celman's resignation.
July 27 » Vincent van Gogh shoots himself and dies two days later.
October 1 » Yosemite National Park is established by the U.S. Congress.
December 15 » Hunkpapa Lakota leader Sitting Bull is killed on Standing Rock Indian Reservation, leading to the Wounded Knee Massacre.
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 24, 1947
The temperature on September 24, 1947 was between 5.2 °C and 17.7 °C and averaged 10.9 °C. There was 0.1 mm of rain during 0.1 hours. There was 9.4 hours of sunshine (77%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
January 3 » Proceedings of the U.S. Congress are televised for the first time.
March 17 » First flight of the B-45 Tornado strategic bomber.
May 22 » Cold War: The Truman Doctrine goes into effect, aiding Turkey and Greece.
July 1 » The Philippine Air Force is established.
August 7 » Thor Heyerdahl's balsa wood raft, the Kon-Tiki, smashes into the reef at Raroia in the Tuamotu Islands after a 101-day, 7,000 kilometres (4,300mi) journey across the Pacific Ocean in an attempt to prove that pre-historic peoples could have traveled from South America.
September 9 » First case of a computer bug being found: A moth lodges in a relay of a Harvard Mark II computer at Harvard University.
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I761.php : accessed October 17, 2026), "Johannes Petrus Leenheers (1865-1947)".
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