The temperature on April 4, 1863 was about 13.7 °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 63%. 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 6 » American Civil War: The Battle of Chancellorsville ends with the defeat of the Army of the Potomac by the Army of Northern Virginia.
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 1 » Keti Koti (Emancipation Day) in Suriname, marking the abolition of slavery by the Netherlands.
August 4 » Matica slovenská, Slovakia's public-law cultural and scientific institution focusing on topics around the Slovak nation, is established in Martin.
August 8 » American Civil War: Following his defeat in the Battle of Gettysburg, General Robert E. Lee sends a letter of resignation to Confederate President Jefferson Davis (which is refused upon receipt).
November 16 » American Civil War: Battle of Campbell's Station near Knoxville, Tennessee: Confederate troops unsuccessfully attack Union forces.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I25808.php : accessed December 25, 2025), "Maria Ludovica Keppens (1863-????)".
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