Statistics for occurrence #1 of “Washington, D. C.” in chapter 35, regiment PA101 of Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories:

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Organized at Harrisburg November 21, 1861, to February 24, 1862. Moved to Washington, D. C. , February 27, 1862. Attached to 2nd Brigade, 3rd Division, 4th Army Corps, Army of the Potomac, to June, 1862. 2nd Brigade, 2nd Division, 4th Army Corps, to September, 1862. Wessell's Bri...
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