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Federal Brigade

3rd Brigade, 2nd Division, VI Corps

 

Commanding Officer at Antietam:
  Col. William H. Irwin

 

This Brigade's Chain of Command:
  Army - Army of the Potomac
  Corps - Sixth (VI) Army Corps
  Division - 2nd Division, VI Corps


Units which make up this Brigade:
  20th New York Infantry
  33rd New York Infantry
  49th New York Infantry
  77th New York Infantry
  7th Maine Infantry

Battlefield Tablets for this Unit

Tablet #75: Irwin's Brigade, Smith's Division - 17 Sep, 12 PM to 18 Sep, 12 PM
Tablet #120: Army of the Potomac - 17 Sep, 5 AM to 17 Sep, 12 PM
Tablet #102: Sixth Army Corps - 17 Sep, 5 AM to 17 Sep, 4 PM
Tablet #72: Smith's Division, Sixth Army Corps - 17 Sep, 5 AM to 19 Sep, 9 AM
Tablet #74: Irwin's Brigade, Smith's Division - 17 Sep, 6 AM to 19 Sep, 9 AM
Tablet #74, cont: Irwin's Brigade, Smith's Division - 17 Sep, 6 AM to 19 Sep, 9 AM
Tablet #121: Army of the Potomac - 17 Sep, 8 AM to 17 Sep, 6 PM