XVIII Corps (ACW)
Encyclopedia
Corps
A corps is either a large formation, or an administrative grouping of troops within an armed force with a common function such as Artillery or Signals representing an arm of service...
of 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...
.
Origins and makeup
The XVIII Corps was created on December 24, 1862, and initially composed of five divisions stationed in North CarolinaNorth Carolina
North Carolina is a state located in the southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west and Virginia to the north. North Carolina contains 100 counties. Its capital is Raleigh, and its largest city is Charlotte...
, making it one of the largest in the Union Army (though two were detached to join the X Corps
X Corps (ACW)
X Corps was a corps of the Union Army during the American Civil War. It served during operations in South Carolina in the Department of the South, and later in Benjamin Butler's Army of the James, during the Bermuda Hundred and Petersburg Campaigns.-History:...
in early 1863), placed under the command of General John G. Foster
John G. Foster
John Gray Foster was a career military officer in the United States Army and a Union general during the American Civil War whose most distinguished services were in North and South Carolina. A postbellum expert in underwater demolition, he wrote the definitive treatise on the subject.-Early...
. By August 1863, most of the corps' original units were either disbanded or transferred elsewhere, but Brig. Gen.
Brigadier general (United States)
A brigadier general in the United States Army, Air Force, and Marine Corps, is a one-star general officer, with the pay grade of O-7. Brigadier general ranks above a colonel and below major general. Brigadier general is equivalent to the rank of rear admiral in the other uniformed...
George Getty
George Getty
George Franklin Getty was an American lawyer, father of industrialist J. Paul Getty and patriarch of the Getty family.-George Franklin Getty:...
's division (formerly of IX Corps
IX Corps (ACW)
IX Corps was a corps of the Union Army during the American Civil War that distinguished itself in combat in multiple theaters: the Carolinas, Virginia, Kentucky, Tennessee, and Mississippi.-Formation, Second Bull Run, and Antietam:...
) and the bulk of the recently discontinued VII Corps
VII Corps (ACW)
Two corps of the Union Army were called VII Corps during the American Civil War.-VII Corps :This corps was established 22 July 1862 from various Union troops stationed in southeastern Virginia. The corps' main combat action occurred in the spring of 1863, when it faced Confederate troops of James...
from Virginia were redesignated the XVIII Corps.
Operations
During the spring of 1864, the corps—now commanded by General William Farrar SmithWilliam Farrar Smith
William Farrar Smith , was a civil engineer, a member of the New York City police commission, and Union general in the American Civil War.-Early life:...
, formerly of 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...
—was transferred to Yorktown, Virginia
Yorktown, Virginia
Yorktown is a census-designated place in York County, Virginia, United States. The population was 220 in the 2000 census. It is the county seat of York County, one of the eight original shires formed in colonial Virginia in 1634....
, to join Maj. Gen. Benjamin Butler
Benjamin Franklin Butler (politician)
Benjamin Franklin Butler was an American lawyer and politician who represented Massachusetts in the United States House of Representatives and later served as the 33rd Governor of Massachusetts....
's Army of the James
Army of the James
The Army of the James was a Union Army that was composed of units from the Department of Virginia and North Carolina and served along the James River during the final operations of the American Civil War in Virginia.-History:...
. The corps played a major part in the unsuccessful operations in the Bermuda Hundred
Bermuda Hundred Campaign
The Bermuda Hundred Campaign was a series of battles fought at the town of Bermuda Hundred, outside Richmond, Virginia, during May 1864 in the American Civil War. Union Maj. Gen. Benjamin Butler, commanding the Army of the James, threatened Richmond from the east but was stopped by forces under ...
, and was also heavily engaged at Cold Harbor
Battle of Cold Harbor
The Battle of Cold Harbor was fought from May 31 to June 12, 1864 . It was one of the final battles of Union Lt. Gen. Ulysses S. Grant's Overland Campaign during the American Civil War, and is remembered as one of American history's bloodiest, most lopsided battles...
. On June 12, Lt. Gen.
Lieutenant General (United States)
In the United States Army, the United States Air Force and the United States Marine Corps, lieutenant general is a three-star general officer rank, with the pay grade of O-9. Lieutenant general ranks above major general and below general...
Ulysses S. Grant
Ulysses S. Grant
Ulysses S. Grant was the 18th President of the United States as well as military commander during the Civil War and post-war Reconstruction periods. Under Grant's command, the Union Army defeated the Confederate military and ended the Confederate States of America...
sent Smith on a surprise march to seize 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...
from the Confederate forces before Robert E. Lee
Robert E. Lee
Robert Edward Lee was a career military officer who is best known for having commanded the Confederate Army of Northern Virginia in the American Civil War....
could bring up the bulk of the Army of Northern Virginia
Army of Northern Virginia
The Army of Northern Virginia was the primary military force of the Confederate States of America in the Eastern Theater of the American Civil War, as well as the primary command structure of the Department of Northern Virginia. It was most often arrayed against the Union Army of the Potomac...
. In the Second Battle of Petersburg, June 15-18, 1864, Smith made successful initial attacks against the outnumbered defenses of Gen. P.G.T. Beauregard; but after driving Beauregard's men from their outer entrenchments on the 15th, Smith, fearful of a Confederate counterattack, lost his nerve and did not press the attack when it could have resulted in the easy seizure of the city.
Commanders
Smith was relieved of command in July due to ill health, and he was replaced by Edward O.C. OrdEdward Ord
Edward Otho Cresap Ord was the designer of Fort Sam Houston, and a United States Army officer who saw action in the Seminole War, the Indian Wars, and the American Civil War. He commanded an army during the final days of the Civil War, and was instrumental in forcing the surrender of Confederate...
and later Godfrey Weitzel
Godfrey Weitzel
Godfrey Weitzel was a major general in the Union army during the American Civil War, as well as the acting Mayor of New Orleans during the Federal occupancy of the city.-Early life and career:...
. Charles A. Heckman briefly commanded the corps following the wounding of General Ord during the Battle of Chaffin's Farm
Battle of Chaffin's Farm
The Battle of Chaffin's Farm and New Market Heights, also known as Laurel Hill and combats at Forts Harrison, Johnson, and Gilmer, was fought September 29–30, 1864, as part of the Siege of Petersburg in the American Civil War.-Background:...
. John Gibbon
John Gibbon
John Gibbon was a career United States Army officer who fought in the American Civil War and the Indian Wars.-Early life:...
was temporary commander of the corps in the month of September 1864. The corps occupied the line of entrenchments closest to the main Confederate line, and suffered heavy casualties in almost daily skirmishing for a month. The corps was relieved of its position by X Corps
X Corps (ACW)
X Corps was a corps of the Union Army during the American Civil War. It served during operations in South Carolina in the Department of the South, and later in Benjamin Butler's Army of the James, during the Bermuda Hundred and Petersburg Campaigns.-History:...
on August 26, and the corps was sent first to the Bermuda Hundred, and later to the north bank of the James River
James River (Virginia)
The James River is a river in the U.S. state of Virginia. It is long, extending to if one includes the Jackson River, the longer of its two source tributaries. The James River drains a catchment comprising . The watershed includes about 4% open water and an area with a population of 2.5 million...
. Its first division took part in the successful attack on Fort Harrison
Fort Harrison
Fort Harrison was an important component of the Confederate defenses of Richmond during the American Civil War. Named after Lieutenant William Harrison, a Confederate engineer, it was the largest in the series of fortifications that extended from New Market Road to the James River that also...
on August 29 during the Battle of Chaffin's Farm. The corps was also engaged on October 27 in the Second Battle of Fair Oaks
Battle of Fair Oaks & Darbytown Road
The Battle of Fair Oaks & Darbytown Road was fought October 27–28, 1864, in Henrico County, Virginia, as part of the Richmond-Petersburg Campaign of the American Civil War....
, fought over the same ground as the first battle
Battle of Seven Pines
The Battle of Seven Pines, also known as the Battle of Fair Oaks or Fair Oaks Station, took place on May 31 and June 1, 1862, in Henrico County, Virginia, as part of the Peninsula Campaign of the American Civil War. It was the culmination of an offensive up the Virginia Peninsula by Union Maj. Gen....
in May 1862. The corps was ultimately discontinued in December 1864; as with X Corps, its white units went to join the new XXIV Corps
XXIV Corps (ACW)
XXIV Corps was a corps of the Union Army during the American Civil War.In December 1864, the white and black units of the Army of the James were divided into two corps. The black troops were sent to the XXV Corps; the white troops became the XXIV Corps, under the command of Edward O. Ord...
, while its black units joined XXV Corps
XXV Corps (ACW)
XXV Corps was a corps of the Union Army during the American Civil War. It was unique in that it was made up almost entirely of African-American troops, which had previously belonged to the X and XVIII Corps....
.