The temperature on May 27, 1863 was about 14.3 °C. The air pressure was 0.5 kgf/m2 and came mainly from the west-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 79%. 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.
February 24 » Arizona is organized as a United States territory.
March 19 » The SSGeorgiana, said to have been the most powerful Confederate cruiser, is destroyed on her maiden voyage with a cargo of munitions, medicines, and merchandise then valued at over $1,000,000.
May 21 » American Civil War: The Union Army succeeds in closing off the last escape route from Port Hudson, Louisiana, in preparation for the coming siege.
July 4 » American Civil War: Siege of Vicksburg: Vicksburg, Mississippi surrenders to U.S. forces under Ulysses S. Grant after 47 days of siege. One hundred fifty miles up the Mississippi River, a Confederate army is repulsed at the Battle of Helena, Arkansas.
July 4 » American Civil War: The Army of Northern Virginia withdraws from the battlefield after losing the Battle of Gettysburg, signalling an end to the Confederate invasion of U.S. territory.
September 7 » American Civil War: Union troops under Quincy A. Gillmore captures Fort Wagner in Morris Island after a 7-week siege.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Jan Thonis", database, Genealogy Online (https://www.genealogieonline.nl/jan-thonis/I185089.php : accessed January 2, 2026), "Maria van Maanen (1863-????)".
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