The temperature on February 16, 1864 was about 7.7 °C. The air pressure was 4 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 94%. 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.
May 7 » American Civil War: The Army of the Potomac, under General Ulysses S. Grant, breaks off from the Battle of the Wilderness and moves southwards.
May 21 » The Ionian Islands reunite with Greece.
September 7 » American Civil War: Atlanta is evacuated on orders of Union General William Tecumseh Sherman.
September 29 » The Treaty of Lisbon defines the boundaries between Spain and Portugal and abolishes the Couto Misto microstate.
November 29 » American Indian Wars: Sand Creek massacre: Colorado volunteers led by Colonel John Chivington massacre at least 150 Cheyenne and Arapaho noncombatants inside Colorado Territory.
November 30 » American Civil War: The Confederate Army of Tennessee suffers heavy losses in an attack on the Union Army of the Ohio in the Battle of Franklin.
Day of marriage May 14, 1891
The temperature on May 14, 1891 was about 13.1 °C. The air pressure was 2 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 93%. Source: KNMI
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
January 31 » History of Portugal: The first attempt at a Portuguese republican revolution breaks out in the northern city of Porto.
April 1 » The Wrigley Company is founded in Chicago, Illinois.
May 20 » History of cinema: The first public display of Thomas Edison's prototype kinetoscope.
July 26 » France annexes Tahiti.
August 18 » Major hurricane strikes Martinique, leaving 700 dead.
December 22 » Asteroid 323 Brucia becomes the first asteroid discovered using photography.
Day of death March 30, 1947
The temperature on March 30, 1947 was between 5.6 °C and 12.8 °C and averaged 9.1 °C. There was 5.5 mm of rain during 4.2 hours. There was 1.3 hours of sunshine (10%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
June 23 » The United States Senate follows the United States House of Representatives in overriding U.S. President Harry S. Truman's veto of the Taft–Hartley Act.
June 24 » Kenneth Arnold makes the first widely reported UFO sighting near Mount Rainier, Washington, leading to the coining of the phrase "flying saucer".
July 4 » The "Indian Independence Bill" is presented before the British House of Commons, proposing the independence of the Provinces of British India into two sovereign countries: India and Pakistan.
July 8 » Reports are broadcast that a UFO crash landed in Roswell, New Mexico in what became known as the Roswell UFO incident.
July 26 » Cold War: U.S. President Harry S. Truman signs the National Security Act of 1947 into United States law creating the Central Intelligence Agency, United States Department of Defense, United States Air Force, Joint Chiefs of Staff, and the United States National Security Council.
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/I212512.php : accessed December 30, 2025), "Gerrit Slagter (1864-1947)".
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