66th Ohio Infantry Regiment

66th Ohio Infantry Regiment
Active	December 17, 1861, to July 15, 1865
Country	United States
Allegiance	Union
Branch	Infantry
Engagements	Battle of Port Republic Maryland Campaign Battle of Cedar Mountain Battle of Antietam Battle of Chancellorsville Gettysburg Campaign Battle of Gettysburg New York Draft Riots Chattanooga Campaign Battle of Lookout Mountain Battle of Missionary Ridge Atlanta Campaign Battle of Resaca Battle of Dallas Battle of New Hope Church Battle of Allatoona Battle of Kennesaw Mountain Battle of Peachtree Creek Siege of Atlanta Sherman's March to the Sea Carolinas Campaign Battle of Bentonville

The 66th Ohio Infantry Regiment was an infantry regiment in the Union Army during the American Civil War. It was noted for its holding the high ground at the center of the line at Antietam as part of Tyndale's 1st Brigade, Greene's 2nd Division of Mansfield's XII Corps.^[1]