159th Ohio Infantry Regiment

Organized at Zanesville, Ohio

May 9, 1864

Mustered in under Colonel Lyman J. Jackson

May 9

Left State for Harper's Ferry, W. Va. At Maryland Height assigned to 3rd Separate Brigade, 8th Army Corps, Middle Department.

May 17

Guard duty in the Defenses of Baltimore, Md., and guarding bridges along Philadelphia, Wilmington & Baltimore Railroad by Detachments

July 9

Battle of Monocacy Junction, Md.

July 12

Expedition to Parkesville

July 28

Companies B, E, G and I guard railroad at Havre de Grace

August 13

Ordered home

August 24, 1864

Mustered out