January 1, 1863 - The Emancipation Proclamation became effective.
January 5, 1863 - President Davis delivers a rebuttal to the Emancipation Proclamation.
January 17, 1863 - General Grant rescinds General Order No. 11 at the direction of President Lincoln through General Halleck.
January 25, 1863 - President Lincoln replaces Burnside with General Joseph Hooker.
January 26, 1863 - President Lincoln's appointment letter to General Hooker
January 29, 1863 - General Grant placed in command of the Army of the West.
May 1-4, 1863 - Battle of Chancellorsville and the defeat of General Hooker.
May 10, 1863 - General Stonewall Jackson dies at Guinea Station Virginia
June 3, 1863 - General Robert E. Lee launches second invasion of the North.
June 12, 1863 - President Lincoln sends a response letter to Erastus Corning.
June 20, 1863 - Union West Virginia is admitted as the 35th state - its constitution mandates the gradual emancipation of slaves.
June 23, 1863 - General Lee writes a letter to President Davis and alludes to the invasion into Pennsylvania.
June 25, 1863 - General Lee writes another letter to President Davis discussing military strategy.
June 25, 1863 - General Lee writes a second letter that day to President Davis emphasizing his sincere conviction to his campaign.
June 28, 1863 - President Lincoln replaces Hooker with General George Meade.
June 29, 1863 - President Lincoln sends a response letter to Matthew Birchard.
July 1-3, 1863 - Battle of Gettysburg and the defeat of General Lee. Over 50,000 casualties total; halts the Southern advance into Union territory and leads to the retreat of Lee’s army.
July 4, 1863 - Siege of Vicksburg, Mississippi ends. 29,000 rebel troops surrender to General Grant with the city, giving the Union control of the Mississippi river and splitting the Confederacy.
July 4, 1863 - Private Elbert Corbin writes to his wife about treating the dying and wounded at Gettysburg.
July 13-16, 1863 - Anti-draft riots in New York City - four days of Irish-American mob action.
July 18, 1863 - 54th Massachusetts USCT Infantry attacks Fort Wagner (South Carolina)
July 30, 1863 - President Lincoln issues the Retaliation Order.
August 8, 1863 - Letter General Lee to President Davis General Lee offers his resignation.
August 10, 1863 - President Lincoln meets with Frederick Douglass who promotes treatment equality of USCT.
August 11, 1863 - Letter President Davis to General Lee President Davis reaffirms his faith in General Lee.
August 21, 1863 - Confederate sympathizer William Quantrill raids Lawrence Kansas and kills 182 men and boys.
August 26, 1863 - President Lincoln writes the Conkling Letter
September 19-20, 1863 - Battle of Chickamauga and the defeat of General Rosecrans.
October 16, 1863 - President Lincoln appoints General Grant to command all operations in the West.