April 19 » American Revolutionary War: The war begins with an American victory in Concord during the battles of Lexington and Concord.
June 17 » American Revolutionary War: Colonists inflict heavy casualties on British forces while losing the Battle of Bunker Hill.
July 3 » American Revolutionary War: George Washington takes command of the Continental Army at Cambridge, Massachusetts.
September 8 » The unsuccessful Rising of the Priests in Malta.
September 25 » American Revolution: Ethan Allen surrenders to British forces after attempting to capture Montreal during the Battle of Longue-Pointe.
November 7 » John Murray, the Royal Governor of the Colony of Virginia, starts the first mass emancipation of slaves in North America by issuing Lord Dunmore's Offer of Emancipation, which offers freedom to slaves who abandoned their colonial masters to fight with Murray and the British.
Day of death May 20, 1865
The temperature on May 20, 1865 was about 23.7 °C. The air pressure was 7.5 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 49%. 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.
April 4 » American Civil War: A day after Union forces capture Richmond, Virginia, U.S. President Abraham Lincoln visits the Confederate capital.
May 1 » The Empire of Brazil, Argentina, and Uruguay sign the Treaty of the Triple Alliance.
June 23 » American Civil War: At Fort Towson in the Oklahoma Territory, Confederate Brigadier General Stand Watie surrenders the last significant Confederate army.
November 10 » Major Henry Wirz, the superintendent of a prison camp in Andersonville, Georgia, is hanged, becoming one of only three American Civil War soldiers executed for war crimes.
December 6 » Georgia ratifies 13th Amendment to the U.S. Constitution.
December 24 » Jonathan Shank and Barry Ownby form The Ku Klux Klan.
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/P8334.php : accessed May 1, 2025), "John Hay (1775-1865)".
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