February 6 » New York became the third state to ratify the Articles of Confederation.
February 9 » Rhode Island becomes the fourth US state to ratify the Articles of Confederation.
July 27 » American Revolution: First Battle of Ushant: British and French fleets fight to a standoff.
August 26 » The first recorded ascent of Triglav, the highest mountain in Slovenia.
September 17 » The Treaty of Fort Pitt is signed. It is the first formal treaty between the United States and a Native American tribe.
December 15 » American Revolutionary War: British and French fleets clash in the Battle of St. Lucia.
Day of death August 1, 1861
The temperature on August 1, 1861 was about 18.7 °C. The air pressure was 0.5 kgf/m2 and came mainly from the south-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 73%. Source: KNMI
From February 23, 1860 till March 14, 1861 the Netherlands had a cabinet Van Hall - Van Heemstra with the prime ministers Mr. F.A. baron Van Hall (conservatief-liberaal) and Mr. S. baron Van Heemstra (liberaal).
From March 14, 1861 till January 31, 1862 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Loudon with the prime ministers Mr. J.P.P. baron Van Zuijlen van Nijevelt (conservatief-liberaal) and Mr. J. Loudon (liberaal).
January 29 » Kansas is admitted as the 34th U.S. state.
April 13 » American Civil War: Fort Sumter surrenders to Confederate forces.
April 17 » The state of Virginia's secession convention votes to secede from the United States, later becoming the eighth state to join the Confederate States of America.
April 29 » American Civil War: Maryland's House of Delegates votes not to secede from the Union.
July 25 » American Civil War: The United States Congress passes the Crittenden–Johnson Resolution, stating that the war is being fought to preserve the Union and not to end slavery.
August 10 » American Civil War: Battle of Wilson's Creek: A mixed force of Confederate, Missouri State Guard, and Arkansas State troops defeat outnumbered attacking Union forces in the southwestern part of the state.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P11283.php : accessed January 3, 2026), "Nathan Post Kelsey (1778-1861)".
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