February 7 » American Revolutionary War: French and Spanish forces lift the Great Siege of Gibraltar.
April 15 » Preliminary articles of peace ending the American Revolutionary War (or American War of Independence) are ratified.
April 18 » Three-Fifths Compromise: the first instance of black slaves in the United States of America being counted as three fifths of persons (for the purpose of taxation), in a resolution of the Congress of the Confederation. This was later adopted in the 1787 Constitution.
June 22 » A poisonous cloud caused by the eruption of the Laki volcano in Iceland reaches Le Havre in France.
August 4 » Mount Asama erupts in Japan, killing about 1,400 people. The eruption causes a famine, which results in an additional 20,000 deaths.
August 18 » A huge fireball meteor is seen across Great Britain as it passes over the east coast.
Day of death October 12, 1863
The temperature on October 12, 1863 was about 17.8 °C. The airpressure was 75 cm mercury. The atmospheric humidity was 72%. 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 1 » American Civil War: The Emancipation Proclamation takes effect in Confederate territory.
January 26 » American Civil War: General Ambrose Burnside is relieved of command of the Army of the Potomac after the disastrous Fredericksburg campaign. He is replaced by Joseph Hooker.
June 20 » American Civil War: West Virginia is admitted as the 35th U.S. state.
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.
September 6 » American Civil War: Confederate forces evacuate Battery Wagner and Morris Island in South Carolina.
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: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I267332.php : accessed March 7, 2026), "Petrus Oomen (-1863)".
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