“4th National Guard”

The 173rd New York Infantry lost 6 officers and 38 enlisted men killed and mortally wounded and 2 officers and 129 enlisted men to disease during the Civil War.

1862
October – November Organized at Brooklyn, N.Y. under Colonel Charles B. Morton, Lieutenant Colonel Lewis M. Peck and Major A. Power Gallway from the police departments of New York and Brooklyn.
December 9 Left State for New Orleans, La.
December 17 Occupation of Baton Rouge, La. Attached to Grover’s Division, Dept. of the Gulf
1863
January Assigned to 2nd Brigade, 3rd Division, 19th Army Corps, Dept. of the Gulf
February 18-28 Operations on Bayou Plaquemine and the Black and Atchafalaya Rivers
March 5 Colonel Morton discharged
March 7-27 Operations against Port Hudson, La.
March 16 Lt. Colonel Lewis Peck promoted to colonel with rank from March 13
April 3 Moved to Algiers
April 8 To Brashear
April 9-May 14 Operations in Western Louisiana
April 11-20 Teche Campaign
April 12-13
Fort Bisland, near Centreville

The regiment lost 3 enlisted en killed or mortally wounded and 4 wounded

April 17-21 Expedition from St. Martinsville to Breaux Bridge
April 26-29 Expedition from Opelousas to Chicotsville and Bayou Boeuf
May 4-12 Expedition to Alexandria, on Red River
May 19-26 March to Port Hudson
May 26-July 9
Siege of Port Hudson

The regiment lost Major Gallway, 3 other officers and 21 enlisted men killed or mortally wounded, 4 officers and 63 enlisted men wounded, and 1 man missing

May 27 Assault on Port Hudson
June 14 Assault on Port Hudson
July 9 Surrender of Port Hudson
July 15 Moved to New Orleans
August 8 Captain William N. Green, Jr. of the 102nd New York mustered in as Lieutenant Colonel
September 4-11 Sabine Pass (Texas) Expedition. Assigned to 1st Brigade, 3rd Division, 19th Army Corps.
September 16 Moved to Brashear City, then to Berwick.
October 3- November 30 Western Louisiana Campaign
November 11 Vermillionville
November- December At New Iberia
1864
January 7 Moved to Franklin
February Assigned to 3rd Brigade, 1st Division, 19th Army Corps, Dept. of the Gulf
March 10-May 22 Red River Campaign
March 14-26 Advance from Franklin to Alexandria
April 8 Battle of Sabine Cross Roads
April 9
Pleasant Hill

The regiment lost Lt. Colonel Green and 17 enlisted men killed or mortally wounded, 30 enlisted men wounded, and 2 officers and 150 enlisted men captured

April 23
Monett’s Bluff, Cane River Crossing

The regiment lost 1 officer and 5 enlisted men killed or ortally wounded and 1 officer and 25 enlisted men wounded

April 26-May 13 At Alexandria
April 30-May 10 Construction of dam at Alexandria
May 13-20 Retreat to Morganza
May 15 Captain George W. Rogers of Company A promoted to major
May 16 Mansura
Mau-June Duty at Morganza
July 2-31 Moved to Fortress Monroe, Va., thence to Washington, D.C.
August 7-
November 28
Sheridan’s Shenandoah Valley Campaign attached to Army of the Shenandoah, Middle Military Division, 19th Army Corps, 1st Division
August 14 to October 27 Served with Brigade, detached as train guard for the army
November Duty near Middletown and Newtown
November 30 Captain Mellen T. Holbrook of Company E promoted to lieutenant colonel
December At Stevenson’s Depot and Winchester
1865
February Attached to 3rd Brigade, 1st Provisional Division, Army of the Shenandoah
April Moved to Washington, D.C., attached to 3rd Brigade, Dwight’s Division, Dept. of Washington
May 23-24 Grand Review
June 30-July 7 Moved to Savannah, Ga.,, Dept. of the South
October 18 Mustered out under Colonel Peck, Lt. Colonel Holbrook and Major Rogers