Battle Unit Details


15th Regiment, US Infantry (Regular Army)

Organized by direction of the President May 4, 1861, and confirmed by Act of Congress July 29, 1861. Regiment organized at Wheeling, W. Va. Ordered to Kentucky October, 1861. Attached to Rousseau's Brigade, McCook's Command, at Nolin, Ky., Dept. of the Ohio, to November, 1861. 4th Brigade, Army of the Ohio, to December, 1861. 4th Brigade, 2nd Division, Army of the Ohio, to September, 1862. 4th Brigade, 2nd Division, 1st Corps, Army of the Ohio, to November, 1862. 3rd Brigade, 2nd Division, Right Wing 14th Army Corps, Army of the Cumberland, to December, 1862. 4th Brigade, 1st Division (Centre), 14th Army Corps, to January, 1863. 4th Brigade, 1st Division, 14th Army Corps, to April, 1863. 3rd Brigade, 1st Division, 14th Army Corps, to October, 1863. 2nd Brigade, 1st Division, 14th Army Corps, to October, 1864. Regular Brigade, Chattanooga, Tenn., Dept. of the Cumberland, to November, 1864. 1st Brigade, 1st Separate Division, District of the Etowah, Dept. of the Cumberland, to July, 1865.

-Camp at Bacon Creek and Green River, Ky., till February, 1862. March to Nashville, Tenn., February 14-25. Occupation of Nashville February 25. March to Duck River March 16-21, and to Savannah, Tenn., March 31-April 6. Battle of Shiloh, Tenn., April 6-7. Advance on and siege of Corinth, Miss., April 29-May 30. At Corinth till June 10. Buell's Campaign in North Alabama and Middle Tennessee June to August. March to Louisville, Ky., in pursuit of Bragg August 21-September 26. Pursuit of Bragg to Crab Orchard, Ky., October 1-15. Lawrenceburg-Dogwalk October 8. Perryville October 9. March to Nashville, Tenn., October 17-November 7, and duty there till December 26. Advance on Murfreesboro, Tenn., December 26-30. Battle of Stone's River December 30-31, 1862, and January 1-3, 1863. Duty near Murfreesboro till June. Middle Tennessee (or Tullahoma) Campaign June 23-July 7. Hoover's Gap June 24-26. Beech Grove June 26. Occupation of Middle Tennessee till August 16. Passage of the Cumberland Mountains and Tennessee River and Chickamauga (Ga.) Campaign August 16-September 22. Battle of Chickamauga September 19-21. Rossville Gap September 21. Siege of Chattanooga Tenn., September 24-November 23. Reopening Tennessee River October 26-29. Battles of Chattanooga November 23-25. Orchard Knob November 23-24. Mission Ridge November 25. Graysville November 26. Pea Vine Valley November 27. Reconnoissance of Dalton, Ga., February 22-27, 1864. Tunnel Hill, Buzzard's Roost Gap and Rocky Faced Ridge February 23-25. Atlanta (Ga.) Campaign May 1-September 8. Rocky Faced Ridge May 8-11. Battle of Resaca May 14-15. Advance on Dallas May 18-25. Operations on line of Pumpkin Vine Creek and battles about Dallas, New Hope Church and Allatoona Hills May 25-June 5. Pickett's Mills May 27. Operations about Marietta and against Kenesaw Mountain June 10-July 2. Pine Hill June 11-14. Lost Mountain June 15-17. Assault on Kenesaw June 27. Ruff's Station, Smyrna Camp Ground, July 4. Chattahoochie River July 5-17. Peach Tree Creek July 19-20. Siege of Atlanta July 22-August 25. Utoy Creek August 5-7. Flank movement on Jonesboro August 25-30. Battle of Jonesboro August 31-September 1. At Atlanta, Ga., till September 28. Moved to Chattanooga September 28-30, thence to Lookout Mountain and duty there till July, 1865.

Regiment lost during service 3 Officers and 131 Enlisted men killed and mortally wounded and 1 Officer and 228 Enlisted men by disease. Total 363.
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