Following is a list of the engagements in which the regiment took part: Engagements of the Fifty-sixth. 1. Siege of Yorktown, Va., April 15 to May 4, 1862. 2. Lee's Mills, Va., April 28, 1862. 3. Williamsburgh, Va., May 5, 1862. 4. Bottoms and Turkey Island Bridge, Va., May 23, 1862. 5. Savage Station, Va., May 25, 1862. 6. Fair Oaks, Va., May 31, 1862. 7. Seven Days' Battle, June 25 to July 2, 1862. 8. Railroad and Bottoms Bridge, Va., June 28 and 29, 1862. 9. White Oak Swamp Bridge, Va., June 30, 1862. 10. Malvern Hill, Va., July 1, 1862. 11. Carter's Hill, Va., July 2, 1862. 12. Woods' Cross Roads, Va., Dec. 14, 1862. 13. Seabrook Island, S. C., June 18, 1863. 14. Grimball's Landing, S. C., July 16, 1863. 15. Siege of Fort Wagner, S. C., July 18, 1863. 16. Siege of Charleston, S. C., August and September, 1863. 17. Johns Island, S. C., July 1 to 10, 1864. 18. Honey Hill, S. C., Nov. 30, 1864. 19. Coosawhatchie, S. C., Dec. 3, 1864. 20. Boyd's Point, S. C., Dec. 5, 1864. 21. Deveaux Neck, S. C., Dec. 6, 1864. 22. Deveaux Neck, S. C., Dec. 7, 1864. 23. Deveaux Neck, S. C., Dec. 9, 1864. 24. Deveaux Neck, S. C., Dec. 19, 1864. 25. Deveaux Neck, S. C., Dec. 29, 1864. 26. Manningsville, S. C., April 8, 1865. 27. Dingle's Mills, S. C., April 9, 1865. _REGIMENTAL AND COMPANY OFFICERS._ COLONELS. Charles H. Van Wyck, and Brig. Gen., U. S. V. Rockwell Tyler, not mustered. LIEUTENANT-COLONELS. James Jordan, to August 5, 1862. Frederick Decker, not mustered. John J. Wheeler, to Feb. 11, 1864. Rockwell Tyler, to muster out and Brevet Colonel. Eliphas Smith, not mustered. MAJORS. Jacob Sharpe, to Aug. 5, 1862. John J. Wheeler, to Dec. 15, 1862. Rockwell Tyler, to Feb. 27, 1864. Eliphas Smith, to Oct. 17, 1865. James Du Bois, not mustered. ADJUTANTS. Eli H. Evans, to Oct. 25, 1863. Henri B. Loomis, to muster out of regiment. QUARTERMASTERS. John B. Gerard, to Sept. 5, 1862. Jesse F. Schafer. to Oct. 15, 1864, from Co. K. Addison J. Clements, to muster out of regiment, from Co. F. SURGEONS. Solomon Van Etten, to Sept. 28, 1864. George H. Fossard, Oct. 7, 1864, to July 5, 1865. Ira S. Bradner, Sept. 19, 1865; not mustered. ASSISTANT SURGEONS. O. A. Carrol, Sept. 2, 1861, to May 13, 1863. Albert S. Turner, Aug. 9, 1862, to Nov. 18, 1863. Daniel S. Hardenburgh, Nov. 11, 1863, to April 1, 1865. Ira S. Bradner, April 25, 1863, to muster out of regiment. George K. Sayer, Brevet 1st Lieut., and Asst. Surg. HOSPITAL STEWARD. George K. Sayer, from Oct. 20, 1861, to muster out of regiment. CHAPLAINS. Charles Shelling, to Dec. 23, 1862. George P. Van Wyck, Dec. 30, 1862, to muster out of regiment. SERGEANT MAJORS.