SUMMARY OF THE PRINCIPAL EVENTS
                                            The Maryland Campaign
                                            September 3 - 20, 1862
Sept 3, 1862        The Army of Northern Virginia marches toward Leesburg, Va
 Occupation of Winchester, Va., by the Confederate forces.
 Skirmish near Martinsburg, W. Va.
 Brig. Gen. Alpheus S. Williams, U. S. Army, assumes command of the Second Corps, Army of Virginia.
 Maj. Gen. Jesse L. Reno, U. S. Army, assumes command of the Ninth Army Corps.
  
Sept 3-4, 1862        Skirmishes at Falls Church, Va.
 Skirmish at Bunker Hill, W. Va.
 Skirmish at Edwards Ferry, Md.
 Reconnaissances from Harper's Ferry to Lorettsville and Charlestown, W. Va
 Skirmish at Monacacy Aqueduct, Md
  
Sept 4-5, 1862        Skirmishes at Poolesville, Md.
 Skirmishes at Point of Rocks and Berlin, Md.
  
Sept 4-7, 1862        The Army of Northern Virginia crosses the Potomac by the fords near Leesburg.
  
Sept 5, 1862        The armies of the Potomac and of Virginia being consolidated,
 Maj. Gen. John Pope, U.S. Army, is relieved, and directed to report for orders to the Secretary of War.
  
Sept 7, 1862        Maj. Gen. Joseph Hooker, U. S. Army, assumes command of the Third Corps, Army of Virginia,
vice Maj. Gen. Irvin McDowell.
 Skirmish at Darkesville, W. Va.
 Skirmish at Point of Rocks, Md.
  
Sept 8, 1862        Maj. Gen. Nathaniel P. Banks, U. S. Army, assumes command of the Defenses of Washington.
 Skirmish at Poolesville, Md.
  
Sept 9, 1862        Skirmishes at Monocacy Church and Barnesville, Md
  
Sept 10, 1862        Skirmish near Boonsborough, Md.
 Skirmish near Frederick, Md
  
Sept 10-11, 1862        Skirmishes at Sugar loaf Mountain, Md.
  
Sept 11, 1862        Skirmish between Williamsport, Md., and Martinsburg, W. Va.
  
Sept 12, 1862        The First, Second, and Third Corps, Army of Virginia, designated respectively as the
Eleventh,Twelfth, and First Army Corps.
 Skirmishes at Frederick, Md.
  
Sept 12-15, 1862        Siege and capture of Harper's Ferry, W. Va., including actions on Maryland and Bolivar
Heights.
  
Sept 13, 1862        Maj. Gen. John Sedgwick, U.S. Army, assigned to command of the Second Corps,
Army of Virginia
 Skirmishes at Catoctin Mountain, Middletown, Jefferson, and South Mountain, Md.
  
Sept 14, 1862        Battles of South Mountain (Boonsborough, Boonsborough Gap, or Turner's Pass) and
Crampton's Pass, Md
 Skirmish near Petersville, Md.
 Brig. Gen. Jacob D. Cox, U.S. Army, assumes command of the Ninth Army Corps
  
Sept 15, 1862        Maj. Gen. Joseph K. F. Mansfield, U.S. Army, assumes command of the Second Corps, Army of
Virginia.
 Skirmish at Boonsborough, Md.
 Skirmish on Antietam Creek, near Keedysville, Md.
  
Sept 16-17, 1862        Battle of Antietam, or Sharpsburg, Md.
  
Sept 17, 1862        Brig. Gen. Alpheus S.Williams, U.S. Army resumes command of the Second Corps, Army of
Virginia.
 Maj. Gen. George G. Meade, U. S. Army, assumes command of the Third Corps,
Army of Virginia.
  
Sept 18, 1862        Brig. Gen. Alpheus S. Williams, U.S. Army, assumes command of the Twelfth Army Corps.
  
Sept 18, 1862        The Army of Northern Virginia recrosses the Potomac near Shepherdstown, W. Va
  
Sept 19, 1862        Skirmishes at Sharpsburg, Shepherdstown (Blackford's, or Boteler's) Ford,
and near Williamsport, Md.
  
Sept 20, 1862        Action near Shepherdstown, W. Va. Skirmish near Hagerstown, Md. Skirmish near Williamsport,
Md


                                           Source:  Official Records of the War of the Rebellion

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