Events in History
- Dec 1 Raid at Stoneman: Knoxville, Tennessee to Saltville, Virginia
- Dec 1 Skirmish at Millen Brutal, Georgia
Historic Publication
Dec 8 James Clerk Maxwell's paper "A Dynamical Theory of the Electromagnetic Field" is 1st read by the Royal Society in London (published by the Royal Society 1865)
- Dec 8 Pope Pius IX publishes encyclical Quanta cura ("Syllabus errorum")
Event of Interest
Dec 8 The Clifton Suspension Bridge, designed by Isambard Kingdom Brunel, is finally opened in Bristol, England, 5 years after his death
Historic Siege
Dec 10 General Sherman's armies reach Savannah & 12 day siege begins
- Dec 13 Battle of Fort McAllister, Georgia
Declaration of War
Dec 13 War of the Triple Alliance: Paraguay officially declares war on Brazil, invades the next day
- Dec 14 War of the Triple Alliance: Paraguay invades the Brazilian province of Mato Grosso
- Dec 15 Battle of Nashville, Tennessee: Union forces under General George Thomas shatters General John Bell Hood's Confederate Army of Tennessee
- Dec 15 Raid on Stoneman: Abingdon & Glade Springs, Virginia
- Dec 16 Battle of Nashville ends after 4400 causalities
- Dec 20 -Dec 27th] Battle of Ft Fisher, NC
- Dec 21 General Sherman conquers Savannah, Georgia
- Dec 24 Battle of Gordonsville, Virginia
- Dec 28 Battle of Egypt Station, Mississippi
Birthdays in History
- Dec 3 Herman Heijermans, Dutch writer (Kamertjeszonde, Diamond City), born in Rotterdam, Netherlands (d. 1924)
- Dec 12 Paul Elmer More, American critic and essayist, born in Saint Louis, Missouri (d. 1937)
- Dec 13 Emil Seidel, German-American politician (36th Mayor of Milwaukee), born in Ashland, Pennsylvania (d. 1947)
- Dec 23 Zorka of Montenegro, Princess of Serbia (d. 1890)
- Dec 27 René Georges Hermann-Paul, French artist (d. 1940)
- Dec 31 Robert G Aitken, American astronomer (Binary Stars), born in Jackson, California (d. 1951)
Deaths in History
- Dec 2 Archibald Gracie III, Confederate brigadier general, dies in battle at Siege of Petersburg, Virginia aged 32
- Dec 8 George Boole, English mathematician (Boolean algebra), dies at 49
- Dec 10 Henry Schoolcraft, American geographer and geologist, dies at 71
- Dec 21 Archduke Louis of Austria, 14th child of Holy Roman Emperor Leopold II and Feldmarschal-Leutnant of Austrian Imperial Army, dies at 80
- Dec 31 George Mifflin Dallas, American politician (11th Vice President of the United States) and United States Minister to Russia, dies at 72