January 2 » Georgia becomes the fourth state to ratify the United States Constitution.
March 21 » A fire in New Orleans leaves most of the town in ruins.
April 28 » Maryland becomes the seventh state to ratify the United States Constitution.
July 25 » Wolfgang Amadeus Mozart completes his Symphony No. 40 in G minor (K550).
July 26 » New York ratifies the United States Constitution and becomes the 11th state of the United States.
September 13 » The Philadelphia Convention sets the date for the first presidential election in the United States, and New York City becomes the country's temporary capital.
Day of death March 20, 1863
The temperature on March 20, 1863 was about 5.9 °C. There was 2 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 92%. 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 17 » Rosalía de Castro publishes Cantares Gallegos, the first book in the Galician language.
July 13 » New York City draft riots: In New York City, opponents of conscription begin three days of rioting which will be later regarded as the worst in United States history.
July 18 » American Civil War: Second Battle of Fort Wagner: One of the first formal African American military units, the 54th Massachusetts Volunteer Infantry, supported by several white regiments, attempts an unsuccessful assault on Confederate-held Battery Wagner.
August 17 » American Civil War: In Charleston, South Carolina, Union batteries and ships bombard Confederate-held Fort Sumter.
October 29 » Eighteen countries meet in Geneva and agree to form the International Red Cross.
December 16 » American Civil War: Joseph E. Johnston replaces Braxton Bragg as commander of the Confederate Army of Tennessee.
When copying data from this family tree, please include a reference to the origin: Eric Brouwer, "Family tree Brouwer - Koster", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eric-brouwer/I9166.php : accessed January 25, 2026), "Pieter Louis Omon (1788-1863)".
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