Civil War Timeline / Chronology for September 1863

September 1, 1863	Battle of Devil's Backbone (Backbone Mountain)	Arkansas
September 2, 1863	Ambrose Burnside occupies Knoxville	Tennessee
	Ambrose Burnside
September 3, 1863	Lord Russell (Great Britain) orders two ironclad Laird Rams bound for the Confederacy to be detained.
September 5, 1863	British forces stop the shipment of two ironclads from Liverpool under orders from Lord Russell. This dashed Confederates hopes of British support during the war.
September 6, 1863	P. G. T. Beauregard orders Battery Wagner and Morris Island evacuated. The evacuation is accomplished that night.	South Carolina
	P. G. T. Beauregard
	Siege of Charleston
September 8, 1863	General William Franklin [US], intending to begin the occupation of Texas, steamed past Sabine Pass to Confederate Fort Griffin on the Texas-Louisiana border. John Bankhead Magruder [CS], with two "cotton-clads" and a force of 44 men turned back more than 200 Union troops
	William B. Franklin
	John Magruder
September 9, 1863	Brigadier General John W. Frazier [CS] surrenders his men guarding the Cumberland Gap	Kentucky Tennessee
September 9, 1863	Federal troops enter Chattanooga, Tennessee following its evacuation by the Army of Tennessee	Tennessee
	Chickamauga Campaign
	Braxton Bragg
	Army of Tennessee
	Army of the Cumberland
September 9, 1863	James Longstreet leaves Virginia with his corps to reinforce the Army of Tennessee	Georgia Virginia
	James Longstreet
September 10, 1863 September 11, 1863	Battle of Davis Crossroads	Georgia
	Braxton Bragg
	Chickamauga Campaign
September 10, 1863	Battle of Bayou Forche (Little Rock)	Arkansas
September 10, 1863	Sterling Price [CS] withdraws from Little Rock	Arkansas
	Sterling Price
September 13, 1863	Sensing a change in Lee's lines, George Meade [US] pushes the Army of the Potomac to the Rapidan River	Virginia
	George Meade
September 15, 1863	Lincoln suspends the writ of habeas corpus.
September 16, 1863	Thomas Crittenden [US] reaches Lee and Gordon Mill on the Chickamauga River. Rosecrans [US] orders the rest of his men, spread out along 50 miles of Georgia's backwoods, to concentrate at this landmark.	Georgia
	Battle of Chickamauga
	Chickamauga Campaign
September 17, 1863	Forward echelons of Longstreet's Corps begins arriving in Northwest Georgia.	Georgia
	Battle of Chickamauga
	James Longstreet
September 18, 1863	Rosecrans [US] orders Thomas north on Layfayette Road in an attempt to outflank Bragg's forces.	Georgia
	Battle of Chickamauga
September 19, 1863 September 20, 1863	Battle of Chickamauga General Braxton Bragg [CS] tries to split General William Rosecrans [US] forces as they try to return to the safety of Chattanooga. A second day breakthrough at the Brotherton Cabin forces the federals into a retreat, halted only by the Rock of Chickamauga, General George Thomas on Snodgrass Hill The bloodiest two days in American history cost the Federals 1,657 dead, 9,756 wounded, and 4,757 missing for a total of 16,170 casualties out of 58,000 troops. The Confederate losses were 2,312 dead, 14,674 wounded and 1,468 for a total of 18,545 out of 66,000 troops.	Georgia
	Gordon Granger
	Bloodiest Civil War battles
	William S. Rosecrans
	Braxton Bragg
	George Thomas
	John Bell Hood
	Army of the Cumberland
	Philip Sheridan
	Nathan Bedford Forrest
	Lafayette McLaws
	Battle of Chickamauga
	James Garfield
	Leonidas Polk
	Daniel Harvey Hill
	James Longstreet
	Chickamauga Campaign
September 21, 1863	After withdrawing from Chickamauga, Gen. George Thomas forms a line in Rossville. He abandons the position that evening.	Georgia
	George Thomas
	Battle of Chickamauga
	Chickamauga Campaign
September 21, 1863	Mortally wounded at Chickamauga, Confederate Brigadier General Benjamin "Ben" Hardin Helms dies. He was Abraham Lincoln's brother-in-law.	Georgia
	Battle of Chickamauga
	Generals Who Died In the Civil War
	Abraham Lincoln
September 22, 1863 October 26, 1863	General Joseph O. "Jo" Shelby raids Missouri and Arkansas
September 23, 1863	President Lincoln orders the 11th and 12th Corps to Stevenson, Alabama to relieve the Army of the Cumberland surrounded in Chattanooga.
	Abraham Lincoln
	Battles for Chattanooga
	Army of the Cumberland
September 23, 1863	Colonel Henry Sibley defeats the Sioux at Wood Lake, ending the Great Sioux Uprising
September 24, 1863	President Lincoln wires Gen. Rosecrans [US} in Chattanooga, telling him 40,000 to 60,000 troops are on their way. Within a week a corps arrives at Stevenson, Alabama
	Battles for Chattanooga
	William S. Rosecrans
September 26, 1863	President Lincoln and members of his Administration are distressed that troop movements aiding General Rosecrans in Chattanooga are published in the New York Post.
	Abraham Lincoln
	Battles for Chattanooga
September 28, 1863	Repercussions from Chickamauga: US Generals Crittenden, Alexander McDowell and McCook are relieved of duty and ordered to Indianapolis to face a court of inquiry.	Indiana
	Battle of Chickamauga
September 30, 1863 October 17, 1863	Gen. Joseph Wheeler [CS] raids Federal positions north and east of Chattanooga.	Tennessee
	Battles for Chattanooga