The 23rd Ohio Infantry Regiment lost 5 officers and 154 enlisted men killed or mortally wounded and 1 officer and 130 enlisted men to disease during the Civil War.

It is honored by a monument at Antietam, as is one of its members, William McKinley. Two of its members became President of the United States, Rutherford B. Hayes and William McKinley, and a third, Stanley Matthews, became a United States Senator.

1861

Organized at Camp Chase, Columbus, Ohio

June 11,

Mustered in for three years service under Colonel William Rosecrans. When Rosecrans was promoted to brigadier general Colonel E.P. Scammon took over the Regiment and Stanley Matthews as Lieutenant-Colonel.

July 25

Left State for Benwood, Va.

July 28

Moved to Weston

August

Duty at Weston, Suttonville, Summerville and Glenville. Attached to Cox's Kanawha Brigade, West Virginia

August 26

Action at Cross Lanes, Va.

September

Attached to Scammon's Brigade, District of the Kanawha, Va.

September 10

Action at Carnifex Ferry

September 15

Moved to Little Sewell Mountain

October

Retreat to New River

October 19-November 16

Operations in Kanawha Valley and New River Region attached to 3rd Brigade, Kanawha Division

November 11-12

Cotton Mountain

November

At Fayette Court House

December 28

Occupation of Raleigh Court House (Companies A, B, F and G)

1862

March

Attached to 1st Brigade, Kanawha Division, Dept. of the Mountains

February 8

Action at mouth of Blue Stone

April 23-May 1

Advance on Princeton

May 1

Camp Creek (Company C)

May 5

Princeton

May 7-10

Giles Court House

July 4

Flat Top Mountain

August 6

Pack's Ferry, New River

August 15-24

Movement to Washington, D.C.

September 6-22

Maryland Campaign. Attached to 1st Brigade, Kanawha Division, 9th Army Corps, Army of the Potomac

September 14

Battle of South Mountain

The Regiment lost 32 killed, 95 wounded, and 3 missing, including Lieutenant Colonel Rutherford B. Hayes, who was wounded

September 16-17

Battle of Antietam

Commanded by Major James M. Comly

From the monument:

"This Regiment with its Brigade crossed the Ford of Antietam Creek in the afternoon of Sept. 17, 1862, and held this position until the close of the battle. Its loss was 8 men killed, 1 officer and 58 men wounded, 2 men missing, total 69."

October 8

Moved to Chambersburg

October 13-14

Expedition after Stuart

October 26-November 14

Moved to Clarksburg, Suttonville, Summerville, Gauley Bridge and Kanawha Falls and attched to 1st Brigade, Kanawha Division, District of West Virginia, Dept. of the Ohio

November 18

Duty at Falls of the Great Kanawha

1863

March 15

At Charleston. Attached to 1st Brigade, 3rd Division, 8th Army Corps, Middle Department

June

Attached to 1st Brigade, Scammon's Division, Dept. of West Virginia

July 5-14

Expedition to Piney in pursuit of Loring

July 2-26

In pursuit of Morgan

July 18

Action at Pomeroy, Ohio

July 19

Little Hocking River

July

Return to Charleston, W. Va.

July 31

Morris Mills

November 24-28

Expedition to Wayne Court House

December

Attached to 1st Brigade, 3rd Division, Dept. of West Virginia

1864

April

Attached to 1st Brigade, 2nd Infantry, Division West Virginia

May 2-19

Crook's Raid on Virginia & Tennessee Railroad

May 9

Battle of Cloyd's Mountain

May 10

New River Bridge and Doublin Depot

May 24

Meadow Bluff

May 26-July 1

Hunter's Raid to Lynchburg

June 2

Covington

June 5

Piedmont

June 6

Buffalo Gap

June 11-12

Lexington

June 17

Diamond Hill

June 17-18

Lynchburg

June 19

Buford's Gap

June 21

About Salem

July 12-15

Moved to Shenandoah Valley

July 24

Battle of Winchester

The Regiment lst 150 men

July 25

Martinsburg

August 7-November 28

Sheridan's Shenandoah Valley Campaign

August 15

Strasburg and Fisher's Hill

August 24

Summit Point

August 26

Halltown

September 3

Berryville

September 19

Battle of Opequan, Winchester

September 22

Fisher's Hill

October 19

Battle of Cedar Creek

October-December

Duty at Kernstown

November 20
and 30

Kablestown

December 20

Moved to Stephenson's Depot

December 29

To Martinsburg, W. Va.

1865

January 1

To Cumberland, Md. Attached to 1st Brigade, 1st Infantry, Division West Virginia

April

Duty at Cumberland. Attached to 4th Provisional Division West Virginia

July 26

Mustered out

Thomas Stanley Matthews

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