73rd Ohio Infantry The 73rd Ohio Volunteer Infantry ( or 73rd OVI ) was an infantry regiment in the Union Army during the American Civil War . Service . The 73rd Ohio Infantry was organized in Chillicothe , Ohio and mustered in for three years service on December 30 , 1861 under the command of Colonel Orland Smith . The regiment was attached to Cheat Mountain , District Western Virginia , to March 1862 . Schenck ' s Brigade , Department of the Mountains , to June 1862 . 2nd Brigade , 1st Division , I Corps , Army of Virginia , to September 1862 . 2nd Brigade , 1st Division , XI Corps , Army of the Potomac , to October 1862 . 2nd Brigade , 2nd Division , XI Corps , Army of the Potomac , to October 1863 , and Army of the Cumberland , to April 1864 . 3rd Brigade , 3rd Division , XX Corps , Army of the Cumberland , to July 1865 . The 73rd Ohio Infantry mustered out of service at Louisville , Kentucky on July 20 , 1865 . Detailed service . Duty at Camp Logan until January 24 , 1862 . Moved to Grafton , Va . , then to Fetterman January 24 – 26 , and to New Creek February 3 . Expedition to Romney , Va . , February 6 – 7 , 1862 , and to Moorefield February 12 – 16 . Moved to Clarksburg February 18 , and duty there until March 20 . Moved to Weston , Va . , March 20 , and duty there until April 10 . Moved to Join Milroy at Monterey . Battle of McDowell May 8 . Woodstock June 2 . Mt . Jackson June 3 . New Market June 4 . Harrisonburg June 6 . Battle of Cross Keys June 8 . At Middletown until July 7 , and at Sperryville until August 8 . Expedition to Madison Court House July 16 – 19 . Pope ' s Campaign in northern Virginia August 16 to September 2 . Freeman ' s Ford August 22 . Battles of Bull Run August 29 – 30 . Duty In the defenses of Washington , D . C . , until December . Reconnaissance to Bristoe Station and Warrenton Junction September 25 – 28 . March to Fredericksburg , Va . , December 12 – 16 . " Mud March " January 20 – 24 , 1863 . At Falmouth until April 27 . Chancellorsville Campaign April 27 - May 6 . Battle of Chancellorsville May 1 – 5 . Gettysburg Campaign June 11 - July 24 . Battle of Gettysburg July 1 – 3 . Pursuit of Lee to Manassas Gap , Va . , July 5 – 24 . Camp at Bristoe until September 24 . Moved to Bridgeport , Ala . , September 24 - October 3 . Duty at Bridgeport and Stevenson , Ala . , until October 24 . Reopening Tennessee River October 24 – 29 . Battle of Wauhatchie , Tenn . , October 28 – 29 . Chattanooga - Ringgold Campaign November 23 – 27 . Orchard Knob November 23 . Tunnel Hill November 24 – 25 . Missionary Ridge November 25 . March to relief of Knoxville , Tenn . , November 28 - December 17 . Regiment reenlisted January 1 , 1864 , and veterans on furlough until March . Atlanta Campaign May 1 - September 8 . Demonstrations on Rocky Faced Ridge May 8 – 11 . Buzzard ' s Roost Gap May 8 – 9 . Battle of Resaca May 14 – 15 . Cassville May 19 . New Hope Church May 25 . Operations on line of Pumpkin Vine Creek and battles about Dallas , New Hope Church , and Allatoona Hills May 25 - June 5 . Operations about Marietta and against Kennesaw Mountain June 10 - July 2 . Pine Hill June 11 – 14 . Lost Mountain June 15 – 17 . Gilgal or Golgotha Church June 15 . Muddy Creek June 17 . Noyes Creek June 19 . Kolb ' s Farm June 22 . Assault on Kennesaw June 27 . Ruff ' s Station July 4 . Chattahoochie River July 5 – 17 . Peachtree Creek July 19 – 20 . Siege of Atlanta July 22 - August 25 . Operations at Chattahoochie River Bridge August 26 - September 2 . Occupation of Atlanta September 2 - November 15 . March to the sea November 15 . Siege of Savannah December 10 – 21 . Campaign of the Carolinas January to April 1865 . Lawtonville , S . C . , February 2 . Reconnaissance on Goldsboro Road , N . C . , March 14 . Taylor ' s Hole Creek , Averysboro , March 16 . Battle of Bentonville March 19 – 21 . Occupation of Goldsboro March 24 . Advance on Raleigh April 10 – 14 . Occupation of Raleigh April 14 . Bennett ' s House April 26 . Surrender of Johnston and his army . March to Washington , D . C . , via Richmond , Va . , April 29 - May 20 . Grand Review of the Armies May 24 . Moved to Louisville , Ky . , June and duty there until July . Casualties . The regiment lost a total of 321 men during service ; 4 officers and 167 enlisted men killed or mortally wounded , 1 officer and 149 enlisted men died of disease .