Left New Hampshire for Washington, D.C., November 1, 1861. Duty at Munson's Hill, defenses of Washington, D.C., until March 1862. Advance on Manassas, Va., March 10–15. Camp at Upton's Hill until April 9. Advance on Falmouth, Va., April 9–18. Occupation of Fredericksburg April 18 and duty there until May 25. McDowell's advance on Richmond May 25–29. Operations against Jackson June 1–21. Duty at Falmouth until July 28, and at Fredericksburg until August 5. Expedition to Fredericks Hall and Spotsylvania Court House August 5–8. Thornburg Mills August 5–6. Pope's Campaign in northern Virginia August 16-September 2. Fords of the Rappahannock August 21–23. Rappahannock Station August 22. Sulphur Springs August 26. August 29. Battle of Bull Run August 30. Maryland Campaign September–October. Battle of Antietam, September 16–17. Movement to Falmouth, Va., October 30-November 19. Union November 2–3. Battle of Fredericksburg, Va., December 11–15.