Statistics for occurrence #1 of “Fisher's Hill” in chapter 35, regiment PA54 of Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories:

... Martinsburg July 25. Sheridan's Shenandoah Valley Campaign August to December. At Halltown till August 28. Berryville September 3. Battle of Opequan, Winchester, September 19. Fisher's Hill September 22. Cedar Creek October 13. Battle of Cedar Creek October 19. Moved to Washington, D. C., December 19-20, thence to City Point, Va., and Bermuda Hundred, Va., December 20-23. ...
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Fisher's Hill (Virginia, United States) 25 0 1 0 0 user votes

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