The 20th Georgia Infantry was formed at Columbus in May 1861. They served in the Army of Northern Virginia throughout most of its campaigns. They were attached to Early's Brigade in September of 1861 and transferred to the brigades of Generals Toombs and Benning in April 1862. The 20th fought with the army from the Seven Days Battles to Cold Harbor. They went with General Longstreet to fight at Suffolk, Chickamauga, and operations in east Tennessee including Chattanooga and Knoxville, then returned to Virginia in time for the spring campaign of 1864, enduring the hardships of the Petersburg trenches south and north of the James River. Companies Of The GA 20th Infantry Regiment Company A: Bibb County Company B: Muscogee County. Company C: Jefferson County. Company D: Polk County. Company E: Harris County Company F: Fulton County. Company G: Muscogee County. Company H: Telfair County. Company I: Muscogee County. Company K: Richmond County.

"It will be found to contain principally an account of the monuments erected by the State of Maine on the Gettysburg Battlefield ... ; a full description of each monument, accompanied with half-tone pictures; the exercises attending their dedication; a statement of the part taken by each of the fifteen regiments, battalions, batteries, or other commands of Maine troops, illustrated with maps and diagrams; a list of participants in each command, with casualties in the same; a list of Maine generals, and staff and other officers additional to Maine organizations; a historical sketch of each command; and a brief summary of the work of the committee"--Preface.

The Tennessee 45th Infantry Regiment was organized at Camp Trousdale, Tennessee, in December, 1861. It participated in the Battle of Shiloh, was active at Baton Rouge, then served in the Jackson area. Later it was assigned to J.C. Brown's, Brown's and Reynolds' Consolidated, and Palmer's Brigade, Army of Tennessee. In November, 1863, it was consolidated with the 23rd Infantry Battalion. The regiment took an active part in the campaigns of the army from Murfreesboro to Atlanta, moving with General Hood back into Tennessee, but it was not engaged at Franklin and Nashville. It ended the war in North Carolina. The unit sustained 112 casualties at Murfreesboro, lost forty-three percent of the 226 at Chickamauga, and reported 12 men disabled at Missionary Ridge. The 45th/23rd Battalion totaled 316 men and 340 arms in December, 1863. Few surrendered in April, 1865.