20th Maine Volunteer Infantry Regiment
Overview
 
The 20th Maine Volunteer Infantry Regiment was a combat unit of the United States Army
United States Army
The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

 during the American Civil War
American Civil War
The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

, most famous for its defense of Little Round Top
Little Round Top
Little Round Top is the smaller of two rocky hills south of Gettysburg, Pennsylvania. It was the site of an unsuccessful assault by Confederate troops against the Union left flank on July 2, 1863, the second day of the Battle of Gettysburg....

 at the Battle of Gettysburg
Battle of Gettysburg
The Battle of Gettysburg , was fought July 1–3, 1863, in and around the town of Gettysburg, Pennsylvania. The battle with the largest number of casualties in the American Civil War, it is often described as the war's turning point. Union Maj. Gen. George Gordon Meade's Army of the Potomac...

, July 1863.
The 20th Maine was organized in the state of Maine on August 20, 1862, with Col.
Colonel (United States)
In the United States Army, Air Force, and Marine Corps, colonel is a senior field grade military officer rank just above the rank of lieutenant colonel and just below the rank of brigadier general...

 Adelbert Ames
Adelbert Ames
Adelbert Ames was an American sailor, soldier, and politician. He served with distinction as a Union Army general during the American Civil War. As a Radical Republican and a Carpetbagger, he was military governor, Senator and civilian governor in Reconstruction-era Mississippi...

 as its commander. It became part of Col. Strong Vincent
Strong Vincent
Strong Vincent was a lawyer who became famous as a U.S. Army officer during the fighting on Little Round Top at the American Civil War Battle of Gettysburg, where he was mortally wounded.-Early life:...

's Brigade of the 1st Division of the V Corps of the Army of the Potomac
Army of the Potomac
The Army of the Potomac was the major Union Army in the Eastern Theater of the American Civil War.-History:The Army of the Potomac was created in 1861, but was then only the size of a corps . Its nucleus was called the Army of Northeastern Virginia, under Brig. Gen...

. The brigade consisted of the 16th Michigan Infantry
16th Michigan Volunteer Infantry Regiment
The 16th Regiment Michigan Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 16th Michigan Infantry was organized at Plymouth and Detroit, Michigan between July and September, 1861. Among the soldiers in the 16th was future Michigan...

 (with Brady's independent company of sharpshooters attached), 44th New York Infantry
44th New York Volunteer Infantry Regiment
The 44th New York Volunteer Infantry Regiment was a regiment of the Union Army during the American Civil War which was formed up in mid-1861, and mustered in on August 30, 1861.-Service:The regiment was first mustered by Stephen W...

, 83rd Pennsylvania Infantry, and the 20th Maine Infantry Regiments.
 
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