Battle of Antietam / Sharpsburg Timeline (September 17th, 1862)


The Battle of Antietam (Sharpsburg) saw a much larger Union force claim the strategic victory - though the battle as a whole was deemed tactically inconclusive.

There are a total of (17) Battle of Antietam / Sharpsburg Timeline (September 17th, 1862) events in the CivilWarTimeline.net database. Entries are listed below by date-of-occurrence ascending (first-to-last). Other leading and trailing events are also included for perspective.
Civil War battle map
Union flag
Union Strategic Victory
COMMAND: George B. McClellan
FORCES: Army of the Potomac
STRENGTH: 87,164
CASUALTIES: 12,410
Confederate flag
COMMAND: Robert E. Lee
FORCES: Army of Northern Virginia
STRENGTH: 38,000
CASUALTIES: 10,316








September 4, 1862

Near Leesburg, Virginia, the Army of Northern Virginia begins its crossing along the Potomac River.



Icon signifying military action  Icon signifying military land action  Icon signifying a battle  
Flag signifying Union involvement on this date   Flag signifying Confederate involvement on this date
September 7, 1862

General Robert Lee has amassed his army at Frederick, Maryland.



Icon signifying military action  Icon signifying military land action  Icon signifying a battle  Icon signifying notable person or persons  
Flag signifying Union involvement on this date   Flag signifying Confederate involvement on this date
September 7, 1862

General George McClellan begins a slow advance away from Washington, D.C. to meet the Confederate threat emerging from Virginia.



Icon signifying military action  Icon signifying military land action  Icon signifying a battle  Icon signifying notable person or persons  
Flag signifying Union involvement on this date   Flag signifying Confederate involvement on this date
September 9, 1862

Special Orders 191 is given by General Lee, ordering a special column formation to be taken by his troops to increase the chances of overtaking Harpers Ferry and the Union forces garrisoned there.



Icon signifying military action  Icon signifying military land action  Icon signifying a battle  Icon signifying notable person or persons  
Flag signifying Union involvement on this date   Flag signifying Confederate involvement on this date
September 11, 1862

General Lee assigns General Longstreet to guard the approaches from the north while General Hill is given the task of the defending the approaches from the south of Harpers Ferry.



Icon signifying military action  Icon signifying military land action  Icon signifying a battle  Icon signifying notable person or persons  
Flag signifying Union involvement on this date   Flag signifying Confederate involvement on this date
September 11, 1862

General Jackson engages Union forces at Martinsburg and drives them back towards Harpers Ferry.



Icon signifying military action  Icon signifying military land action  Icon signifying a battle  Icon signifying notable person or persons  
Flag signifying Union involvement on this date   Flag signifying Confederate involvement on this date
September 12, 1862

The Battle of Harpers Ferry begins. Generals Miles and White lead a Union force of 14,000 against some 26,000 Confederate attackers under the command of generals Stonewall Jackson and A.P. Hill.



Icon signifying military action  Icon signifying military land action  Icon signifying a battle  Icon signifying notable person or persons  
Flag signifying Union involvement on this date   Flag signifying Confederate involvement on this date
September 13, 1862

The Army of the Potomac arrives at Frederick, Maryland. Once there, soldiers recover a copy of General Lee's plans.



Icon signifying military action  Icon signifying military land action  Icon signifying a battle  
Flag signifying Union involvement on this date   Flag signifying Confederate involvement on this date
September 14, 1862

The Battle of South Mountain takes place. It is a Union victory for General McClellan, General Burnside and General Franklin over General Lee and General Hill.



Icon signifying military action  Icon signifying military land action  Icon signifying a battle  Icon signifying notable person or persons  
Flag signifying Union involvement on this date   Flag signifying Confederate involvement on this date
September 14, 1862

The Battle of Crampton's Gap (Burkittsville) is a Union victory for General Franklin over General Cobb. Forces number 12,800 to 2,100, respectively.



Icon signifying military action  Icon signifying military land action  Icon signifying a battle  Icon signifying notable person or persons  
Flag signifying Union involvement on this date   Flag signifying Confederate involvement on this date
September 15, 1862

General Jackson's forces open up with artillery strikes against Union forces at Harpers Ferry.



Icon signifying military action  Icon signifying military land action  Icon signifying a battle  Icon signifying notable person or persons  
Flag signifying Union involvement on this date   Flag signifying Confederate involvement on this date
September 15, 1862

The Battle of Harpers Ferry ends as a Confederate victory.



Icon signifying military action  Icon signifying military land action  Icon signifying a battle  Icon signifying notable person or persons  
Flag signifying Union involvement on this date   Flag signifying Confederate involvement on this date
September 15, 1862

A Confederate division under the command of General John Walker takes Loudoun Heights.



Icon signifying military action  Icon signifying military land action  Icon signifying a battle  Icon signifying notable person or persons  
Flag signifying Union involvement on this date   Flag signifying Confederate involvement on this date
September 15, 1862

General Dixon Miles quickly surrenders the Union garrison at Harpers Ferry.



Icon signifying military action  Icon signifying military land action  Icon signifying a battle  Icon signifying notable person or persons  
Flag signifying Union involvement on this date   Flag signifying Confederate involvement on this date
September 15, 1862

General Lee arranges his army behind Antietam Creek near Sharpsburg, Maryland.



Icon signifying military action  Icon signifying military land action  Icon signifying a battle  Icon signifying notable person or persons  
  Flag signifying Confederate involvement on this date
September 16, 1862

Having suffered a mortal wound at the Battle of Harpers Ferry, General Dixon Miles dies.



Icon signifying military action  Icon signifying military land action  Icon signifying a battle  Icon signifying notable person or persons  
Flag signifying Union involvement on this date
September 17, 1862

The Battle of Antietam is had near Sharpsburg, Maryland and results of the one-day engagement are tactically inconclusive. 87,164 Union troops (led by McClellan) face off against 38,000 Confederates (led by Lee). Casualties are 12,410 and 10,316 respectively.



Icon signifying military action  Icon signifying military land action  Icon signifying a battle  
Flag signifying Union involvement on this date   Flag signifying Confederate involvement on this date