The 11th Regiment, Vermont Volunteer Infantry or simply known as 11th VVI was a three-years infantry regiment in the Union Army

Union Army

The Union Army was the land force that fought for the Union during the American Civil War. It was also known as the Federal Army, the U.S. Army, the Northern Army and the National Army...

 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...

. It served in eastern theater, from September 1862 to August 1865. It served in the XXII Corps

XXII Corps (ACW)

XXII Corps was a corps in the Union Army during the American Civil War. It was created on February 2, 1863, to consist of all troops garrisoned in Washington, D.C., and included three infantry divisions and one of cavalry...

 in the defenses of Washington D.C., and with the Vermont Brigade in VI Corps

VI Corps (ACW)

The VI Corps was a corps of the Union Army during the American Civil War.-Formation:The corps was organized as the Sixth Provisional Corps on May 18, 1862, by uniting Maj. Gen. William B. Franklin's Division, which had just arrived on the Virginia Peninsula, with Maj. Gen. William F. Smith's...

.

The regiment was mustered into United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 service on September 1, 1862 at Brattleboro, Vermont

Brattleboro, Vermont

Brattleboro, originally Brattleborough, is a town in Windham County, Vermont, United States, located in the southeast corner of the state, along the state line with New Hampshire. The population was 12,046 at the 2010 census...

. On December 10, 1862, its designation changed to the 1st Vermont Heavy Artillery.

It was engaged in, or present at:

• Spotsylvania
  Battle of Spotsylvania Court House
  The Battle of Spotsylvania Court House, sometimes simply referred to as the Battle of Spotsylvania , was the second major battle in Lt. Gen. Ulysses S. Grant's 1864 Overland Campaign of the American Civil War. Following the bloody but inconclusive Battle of the Wilderness, Grant's army disengaged...
  
  , Cold Harbor, Petersburg
  Petersburg, Virginia
  Petersburg is an independent city in Virginia, United States located on the Appomattox River and south of the state capital city of Richmond. The city's population was 32,420 as of 2010, predominantly of African-American ethnicity...
  
  , and the first Battle of Weldon Railroad
  Battle of Jerusalem Plank Road
  The Battle of Jerusalem Plank Road, also known as the First Battle of the Weldon Railroad, was fought June 21–23, 1864, near Petersburg, Virginia. It was the first of a series of battles during the Siege of Petersburg aimed at extending the Union siege lines to the west and cutting the rail...
  
  , now known as the Battle of Jerusalem Plank Road, in the Overland campaign. In the latter 267 men from the 11th and 140 from the 4th Vermont
  4th Vermont Infantry
  The 4th Regiment, Vermont Volunteer Infantry was a three year' infantry regiment in the Union Army during the American Civil War. It served in the Eastern Theater, predominantly in the VI Corps, Army of the Potomac, from September 1861 to July 1865...
  
   were captured by a superior force. The captives were all sent to Andersonville prison
  Andersonville prison
  The Andersonville prison, officially known as Camp Sumter, served as a Confederate Prisoner-of-war camp during the American Civil War. The site of the prison is now Andersonville National Historic Site in Andersonville, Georgia. Most of the site actually lies in extreme southwestern Macon County,...
  
   where 232 of them died.
• Fort Stevens
  Fort Stevens (Washington, D.C.)
  Fort Stevens was part of the extensive fortifications built around Washington, D.C., during the American Civil War. It was constructed in 1861 as "Fort Massachusetts" and later enlarged by the Union Army and renamed "Fort Stevens" after Brig. Gen...
  
  , Charlestown
  Battle of Summit Point
  The Battle of Summit Point, also known as Flowing Springs or Cameron's Depot, was an inconclusive battle of the American Civil War fought on August 21, 1864, near Summit Point, West Virginia....
  
  , Gilbert's Ford, Winchester
  Battle of Opequon
  The Battle of Opequon, more commonly known as the Third Battle of Winchester, was fought in Winchester, Virginia, on September 19, 1864, during the Valley Campaigns of 1864 in the American Civil War....
  
  , Fisher's Hill and Cedar Creek
  Battle of Cedar Creek
  The Battle of Cedar Creek, or Battle of Belle Grove, October 19, 1864, was one of the final, and most decisive, battles in the Valley Campaigns of 1864 during the American Civil War. The final Confederate invasion of the North, led by Lt. Gen. Jubal A. Early, was effectively ended...
  
   in the Shenandoah Valley campaign
• In the siege of Petersburg
  Petersburg, Virginia
  Petersburg is an independent city in Virginia, United States located on the Appomattox River and south of the state capital city of Richmond. The city's population was 32,420 as of 2010, predominantly of African-American ethnicity...
  
  .

The regiment lost during service:

• 152 men killed and mortally wounded
• 2 died from accidents
• 175 died in Confederate prisons
• 210 died from disease

Total loss: 539

The regiment mustered out of service on August 25, 1865.