Leesburg, Va., September 2, 1862. Edwards' Ferry, Md., September 4. Monocacy Creek September 4. Reconnoissaace to Lovettsville September 4. Maryland Heights and siege of Harper's Ferry September 12-14. Cut through enemy's lines September 14. Capture of Longstreet's train at Sharpsburg September 15. Hyattstown, Md., October 12. Charleston November 14. Berryville December 1. Charlestown December 2. Winchester December 5. Halltown December 20. Near Charlestown May 16, 1863. Berryville June 13. Martinsburg June 14. Winchester June 15 (Co. "B"). Williamsport June 15. Catoctin Creek June 17. Frederick, Md., June 21. Sharpsburg July --. Fountain Dale, Pa., July 1. Gettysburg , Pa., July 1-3. Near Emmittsburg July 4. Falling Waters July 6. Harper's Ferry July 6. Smithfield August 23. Scouts into Loudoun County August 25 and September 12-16 and September 21-26. Catoctin Mountain September 14. Loudoun Valley, Va., September 25. Loudoun Valley and Summit Point October 7. Charleston October 7 (Co. "B"). Snickersville, Leesburg, Rector's Cross Roads and Bloomfield September 14. Upperville September 25. Berryvilie October 18. Near Annandale October 22. Expedition from Charleston to New Market November 15-18. Mt. Jackson November 16. Ashby's Gap November -. Upperville December 10. Edenburg December 17. New Market December 18. Harrisonburg and Staunton December 21. Five Points, Rectortown, January 1, 1864. Loudoun Heights January 10. Romney, Moorfield and Mechanicsville Gap February 4. Regiment re-enlisted February 13, 1864. Upperville February 20. Veterans on furlough till April. Authority given to increase Battalion to a Regiment, and Companies "E," "F," "G," "H," "I," "K," "L" and M" organized at Baltimore and Frederick February to April 23, 1864. Sigel's Expedition from Martinsburg, W. Va., to New Market April 30-May 16. New Market May 13-15. Hunter's Expedition to Lynchburg May 26-July 1. Harrisonburg June 3. Piedmont June 5. Occupation of Staunton June 6. Tye River June 12. Lexington June 13. Buckhannon June 14. Lynchburg June 17-18. Catawba Mountains and near Salem June 21. Leetown and Shepardstown July 3 (Detachment). Keedysville July 5. Frederick, Md., July 11-12. Maryland Heights, Brownsville, Crampton's Gap and Herndon July -. Purcellsville July 16. Snicker's Ferry July 17-18. Ashby's Gap and Winchester July 19. Kernstown July 23-24. Winchester, Bunker Hill and Martinsburg July 25. Snicker's Gap July 25. Falling Waters July 26. Hagerstown July 29-30. Keedysville August 5. Winchester August 17. Opequan Creek August 18, 19 and 20. Near Berryville August 21. Near Charlestown August 21-22. Antietam August 22. Williamsport August 26. Summit Point August 30. White Post September 3. Winchester September 19. Fisher's Hill September 22. Battle of Cedar Creek October 19. Duty in West Virginia operating against Moseby and guarding Baltimore & Ohio Railroad till June, 1865. Mustered out June 28, 1865.