XXII Corps was a

corps Corps (; plural ''corps'' ; from French , from the Latin "body") is a term used for several different kinds of organization. A military innovation by Napoleon I, the formation was first named as such in 1805. The size of a corps varies great ...

in the

Union Army During the American Civil War, the Union Army, also known as the Federal Army and the Northern Army, referring to the United States Army, was the land force that fought to preserve the Union (American Civil War), Union of the collective U.S. st ...

during the

American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States. It was fought between the Union ("the North") and the Confederacy ("the South"), the latter formed by states th ...

. It was created on February 2, 1863, to consist of all troops

garrison A garrison (from the French ''garnison'', itself from the verb ''garnir'', "to equip") is any body of troops stationed in a particular location, originally to guard it. The term now often applies to certain facilities that constitute a mil ...

ed in

Washington, D.C. ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, ...

, and included three

infantry Infantry is a military specialization which engages in ground combat on foot. Infantry generally consists of light infantry, mountain infantry, motorized infantry & mechanized infantry, airborne infantry, air assault infantry, and marine i ...

divisions and one of

cavalry Historically, cavalry (from the French word ''cavalerie'', itself derived from "cheval" meaning "horse") are soldiers or warriors who fight mounted on horseback. Cavalry were the most mobile of the combat arms, operating as light cavalry ...

(under

Judson Kilpatrick Hugh Judson Kilpatrick (January 14, 1836 – December 4, 1881) was an officer in the Union Army during the American Civil War, achieving the rank of brevet major general. He was later the United States Minister to Chile and an unsuccessful cand ...

, which left to join the

Army of the Potomac The Army of the Potomac was the principal Union Army in the Eastern Theater of the American Civil War. It was created in July 1861 shortly after the First Battle of Bull Run and was disbanded in June 1865 following the surrender of the Confedera ...

during the Gettysburg Campaign). Many of its units were transferred to the Army of the Potomac during Grant's

Overland Campaign The Overland Campaign, also known as Grant's Overland Campaign and the Wilderness Campaign, was a series of battles fought in Virginia during May and June 1864, in the American Civil War. Lt. Gen. Ulysses S. Grant, general-in-chief of all Union ...

. This Corps did not include the many regiments that passed through Washington, D.C., on the way to the front or away from it. Nor does it include the many regiments from the

Army of Georgia The Army of Georgia was a Union army that constituted the Left Wing of Major General William T. Sherman's Army Group during the March to the Sea and the Carolinas Campaign. History During Sherman's Atlanta Campaign in 1864, his Army Group wa ...

, and

Army of the Tennessee An army (from Old French ''armee'', itself derived from the Latin verb ''armāre'', meaning "to arm", and related to the Latin noun ''arma'', meaning "arms" or "weapons"), ground force or land force is a fighting force that fights primarily on ...

that encamped in the area to participate in the

Grand Review of the Armies The Grand Review of the Armies was a military procession and celebration in the national capital city of Washington, D.C., on May 23–24, 1865, following the Union victory in the American Civil War (1861–1865). Elements of the Union Army in the ...

History

Civil War Armies at the time took their name from the Department that it was born out of. This is the reason for the naming of the

, born out of the

Department of the Potomac The Army of the Potomac was the principal Union Army in the Eastern Theater of the American Civil War. It was created in July 1861 shortly after the First Battle of Bull Run and was disbanded in June 1865 following the surrender of the Confedera ...

. At the time of the war, the

Union Union commonly refers to: * Trade union, an organization of workers * Union (set theory), in mathematics, a fundamental operation on sets Union may also refer to: Arts and entertainment Music * Union (band), an American rock group ** ''Un ...

named most of its departments, and thus its armies, after naturally occurring landmarks, specifically water courses, i.e. The Army of the Potomac, The Army of the James, The Army of the Gulf, etc. In opposition, the Confederacy named most of their

Armies An army (from Old French ''armee'', itself derived from the Latin verb ''armāre'', meaning "to arm", and related to the Latin noun ''arma'', meaning "arms" or "weapons"), ground force or land force is a fighting force that fights primarily on ...

for geographic areas and states.

Department of the East

Comprising all of the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

east of the

Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it f ...

, about half of which became

Confederate Confederacy or confederate may refer to: States or communities * Confederate state or confederation, a union of sovereign groups or communities * Confederate States of America, a confederation of secessionist American states that existed between 1 ...

territory. Formed on January 1, 1861, there were many Departments formed within its borders, and finally destablished August 17, 1861. Its primary focus was to employ a

chain of command A command hierarchy is a group of people who carry out orders based on others' authority within the group. It can be viewed as part of a power structure, in which it is usually seen as the most vulnerable and also the most powerful part. Milit ...

to all

units Unit may refer to: Arts and entertainment * UNIT, a fictional military organization in the science fiction television series ''Doctor Who'' * Unit of action, a discrete piece of action (or beat) in a theatrical presentation Music * ''Unit'' (alb ...

until the smaller departments could be formed. Headquartered in Albany,

New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...

, it was commanded by Major General John E. Wool.

Department of Washington, D.C.

Constituted April 9, 1861, to include Washington, D.C., to its original boundaries of Arlington,

Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...

, and the

state State may refer to: Arts, entertainment, and media Literature * ''State Magazine'', a monthly magazine published by the U.S. Department of State * ''The State'' (newspaper), a daily newspaper in Columbia, South Carolina, United States * ''Our S ...

Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...

as far as Bladensburg. It was formed to center on the defense of the national capital, and to differentiate it from the Department of the East. The department was commanded by

Lieutenant Colonel Lieutenant colonel ( , ) is a rank of commissioned officers in the armies, most marine forces and some air forces of the world, above a major and below a colonel. Several police forces in the United States use the rank of lieutenant colone ...

Charles F. Smith from April 10 through April 28, 1861, and

Colonel Colonel (abbreviated as Col., Col or COL) is a senior military officer rank used in many countries. It is also used in some police forces and paramilitary organizations. In the 17th, 18th and 19th centuries, a colonel was typically in charge of ...

(later

Brigadier General Brigadier general or Brigade general is a military rank used in many countries. It is the lowest ranking general officer in some countries. The rank is usually above a colonel, and below a major general or divisional general. When appointed ...

)

Joseph K. Mansfield Joseph King Fenno Mansfield (December 22, 1803 – September 18, 1862) was a career United States Army officer, civil engineer, and a Union general in the American Civil War, mortally wounded at the Battle of Antietam. Early life Mansfield was ...

from April 28, 1861, through the Department's dissolution on July 25, 1861.Boatner, p. 893

Department of the Potomac

The

, formed July 25, 1861, and destablished August 16, 1861, provide for the

defense Defense or defence may refer to: Tactical, martial, and political acts or groups * Defense (military), forces primarily intended for warfare * Civil defense, the organizing of civilians to deal with emergencies or enemy attacks * Defense industr ...

of the city of Washington, D.C. This Department was entrusted with the duty of protecting the United States' capital, with the

construction Construction is a general term meaning the art and science to form objects, systems, or organizations,"Construction" def. 1.a. 1.b. and 1.c. ''Oxford English Dictionary'' Second Edition on CD-ROM (v. 4.0) Oxford University Press 2009 and com ...

fortifications A fortification is a military construction or building designed for the defense of territories in warfare, and is also used to establish rule in a region during peacetime. The term is derived from Latin ''fortis'' ("strong") and ''facere'' ...

. Before the dissolution of the Department of the Potomac, most of the fortifications in the Washington, D.C., area were constructed, mainly by the regiments that were

ed there, most of whom had gone on to form the Army of the Potomac. Commanded by Major General

George B. McClellan George Brinton McClellan (December 3, 1826 – October 29, 1885) was an American soldier, Civil War Union general, civil engineer, railroad executive, and politician who served as the 24th governor of New Jersey. A graduate of West Point, McCl ...

.Boatner, p. 664

Military District of Washington

Military District Military districts (also called military regions) are formations of a state's armed forces (often of the Army) which are responsible for a certain area of territory. They are often more responsible for administrative than operational matters, and ...

during the Civil War was a formation within a Department for the purpose of reporting directly to the department commander for administrative affairs. The

Military District of Washington The United States Army Military District of Washington (MDW) is one of nineteen major commands of the United States Army. Its headquarters are located at Fort Lesley J. McNair in Washington, D.C. The missions of the units in the Military Distri ...

was organized June 26, 1862, to include Washington, D.C.;

Alexandria, Virginia Alexandria is an independent city (United States), independent city in the northern region of the Commonwealth (U.S. state), Commonwealth of Virginia, United States. It lies on the western bank of the Potomac River approximately south of Downto ...

; and

Fort Washington, Maryland Fort Washington is an unincorporated area and census-designated place in Prince George's County, Maryland, United States. It borders the Potomac River, situated 20 miles south of the downtown Washington, DC. As of the 2020 census it had a popul ...

. It was a District under the Department of the Potomac. It was incorporated into the

Department of the Rappahanock Department may refer to: * Departmentalization, division of a larger organization into parts with specific responsibility Government and military *Department (administrative division), a geographical and administrative division within a country, ...

from April 4, 1862, through June 26, 1862, when it again became an independent command. On February 2, 1863, it merged into the Department of Washington. Commanded by Brigadier General

James S. Wadsworth James Samuel Wadsworth (October 30, 1807 – May 8, 1864) was a philanthropist, politician, and a Union general in the American Civil War. He was mortally wounded in battle during the Battle of the Wilderness of 1864. Early years Wadswor ...

Department of the Rappahannock

The Department of the Rappahannock was formed April 4, 1862, from the original

I Corps I Corps, 1st Corps, or First Corps may refer to: France * 1st Army Corps (France) * I Cavalry Corps (Grande Armée), a cavalry unit of the Imperial French Army during the Napoleonic Wars * I Corps (Grande Armée), a unit of the Imperial French A ...

of the Army of the Potomac, to control the area east of the

Blue Ridge Mountains The Blue Ridge Mountains are a physiographic province of the larger Appalachian Mountains range. The mountain range is located in the Eastern United States, and extends 550 miles southwest from southern Pennsylvania through Maryland, West Virgin ...

to the

Potomac River The Potomac River () drains the Mid-Atlantic United States, flowing from the Potomac Highlands into Chesapeake Bay. It is long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map. Retrieved Augus ...

, the Fredericksburg and Richmond Rail Road and the District of Columbia expanded to include the area between the Potomac and

Patuxent River The Patuxent River is a tributary of the Chesapeake Bay in the state of Maryland. There are three main river drainages for central Maryland: the Potomac River to the west passing through Washington, D.C., the Patapsco River to the northeast ...

s. It was merged into the

Army of Virginia The Army of Virginia was organized as a major unit of the Union Army and operated briefly and unsuccessfully in 1862 in the American Civil War. It should not be confused with its principal opponent, the Confederate Army of ''Northern'' Virginia, ...

III Corps 3rd Corps, Third Corps, III Corps, or 3rd Army Corps may refer to: France * 3rd Army Corps (France) * III Cavalry Corps (Grande Armée), a cavalry unit of the Imperial French Army during the Napoleonic Wars * III Corps (Grande Armée), a unit of th ...

on June 26, 1862, with Major General

Irwin McDowell Irvin McDowell (October 15, 1818 – May 4, 1885) was a career American army officer. He is best known for his defeat in the First Battle of Bull Run, the first large-scale battle of the American Civil War. In 1862, he was given command o ...

as its commander.

Defenses of Washington, D.C.

The Defenses of Washington D.C. was a short lived command, from September 2, 1862, through February 2, 1863. used for the consolidation of all the defenses of the area including and surrounding Washington, D.C. Its main focus was on the maintaining of the fortifications in extending in a ring around Washington, D.C.

Department of Washington

On February 2, 1863, the

Department of Washington Department of Washington, was a department of the Union Army constituted on April 9, 1861. It consisted of the District of Columbia to its original boundaries, and the State of Maryland as far as Bladensburg. It was merged into the Military D ...

was re-formed to encompass the area from north of the Potomac from

Piscataway Creek Piscataway Creek is an U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed August 15, 2011 tributary of the Potomac River in Prince George's County, Maryland, Prince George's County, Marylan ...

to Annapolis Junction (near present-day

Fort Meade Fort George G. Meade is a United States Army installation located in Maryland, that includes the Defense Information School, the Defense Media Activity, the United States Army Field Band, and the headquarters of United States Cyber Command, the N ...

), west to the

Monocacy River The Monocacy River () is a free-flowing left tributary to the Potomac River, which empties into the Atlantic Ocean via the Chesapeake Bay. The river is long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data ...

, south to the

Bull Run Mountains The Bull Run Mountains are a mountain range of the Blue Ridge Mountains in northern Virginia in the United States. Located approximately east of the main chain, across the Loudoun Valley. The Bull Run Mountains, together with Catoctin Mounta ...

by way of Goose Creek, then east to

Occoquan River The Occoquan River is a tributary of the Potomac River in Northern Virginia, where it serves as part of the boundary between Fairfax and Prince William counties. The river is a scenic area, and several local high schools and colleges use the r ...

. The size of it would expand throughout the war to include the entirety of the

counties A county is a geographic region of a country used for administrative or other purposesChambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...

in the surrounding states of

and

. The Quartermaster Department of the Department of Washington was the largest Quartermaster Department in the

. Duties as varied as

building A building, or edifice, is an enclosed structure with a roof and walls standing more or less permanently in one place, such as a house or factory (although there's also portable buildings). Buildings come in a variety of sizes, shapes, and fun ...

, maintenance of

, supplies,

road building A road is a linear way for the conveyance of traffic that mostly has an improved surface for use by vehicles (motorized and non-motorized) and pedestrians. Unlike streets, the main function of roads is transportation. There are many types of ...

transportation Transport (in British English), or transportation (in American English), is the intentional movement of humans, animals, and goods from one location to another. Modes of transport include air, land (rail and road), water, cable, pipeline, ...

, and ordnance testing as well as many other duties were taken over by the quartermasters of the Washington Department. Washington, D.C., also served as a transship point for supplies and materiel destined to both the

and

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 (Virginia), James River during the final operations of the American Civil War in Virginia. Histor ...

XXII Corps

Corps Corps (; plural ''corps'' ; from French , from the Latin "body") is a term used for several different kinds of organization. A military innovation by Napoleon I, the formation was first named as such in 1805. The size of a corps varies great ...

is a grouping of two to six divisions, providing a level of the

typically commanded by a

major general Major general (abbreviated MG, maj. gen. and similar) is a military rank used in many countries. It is derived from the older rank of sergeant major general. The disappearance of the "sergeant" in the title explains the apparent confusion of a ...

. Corps were first created by an

Act of Congress An Act of Congress is a statute enacted by the United States Congress. Acts may apply only to individual entities (called Public and private bills, private laws), or to the general public (Public and private bills, public laws). For a Bill (law) ...

on July 17, 1862, but Major General

had instituted them in the spring of 1862. Before this time, the formations were known as either "Wings" or "Grand Divisions". Most Corps came under the operational command of an

Army An army (from Old French ''armee'', itself derived from the Latin verb ''armāre'', meaning "to arm", and related to the Latin noun ''arma'', meaning "arms" or "weapons"), ground force or land force is a fighting force that fights primarily on ...

, but the XXII Corps did not. XXII Corps was formed as a Corps under the

on February 2, 1863. As was tradition, its commanders doubled as commanders of the Department of Washington. During its time, many of the regiments that were fought out arrived to reconstitute and would then be transferred back out, most of them from or to the Army of the Potomac.

Battles

Mosby's Raids

During the time of existence of the 43rd Battalion Virginia Cavalry, better known as Mosby's Rangers, Mosby's Command, or Mosby's Raiders, commanded by

John S. Mosby John Singleton Mosby (December 6, 1833 – May 30, 1916), also known by his nickname "Gray Ghost", was a Confederate army cavalry battalion commander in the American Civil War. His command, the 43rd Battalion, Virginia Cavalry, known as Mosb ...

, made many forays in the area known as ''Mosby's Confederacy'' which extended from

Loudoun County Loudoun County () is in the northern part of the Commonwealth of Virginia in the United States. In 2020, the census returned a population of 420,959, making it Virginia's third-most populous county. Loudoun County's seat is Leesburg. Loudoun C ...

Fairfax County Fairfax County, officially the County of Fairfax, is a county in the Commonwealth of Virginia. It is part of Northern Virginia and borders both the city of Alexandria and Arlington County and forms part of the suburban ring of Washington, D.C. ...

. Many of the raids it performed came into the area protected by XXII Corps, and many skirmishes with Brigadier General William Gamble's Cavalry Division,Biography — William Gamble
/ref> as well as various other XXII Corps units. During its reign, Mosby's Raiders captured Brigadier General

Edwin H. Stoughton Edwin Henry Stoughton (June 23, 1838December 25, 1868) was appointed a brigadier general in the Union Army during the American Civil War, but his appointment expired after it was not confirmed by the U.S. Senate. Four days later, on March 8, 1863, ...

(then commanding the

2nd Vermont Brigade The 2nd Vermont Brigade was an infantry brigade in the Union Army of the Potomac during the American Civil War. Composition and commanders The brigade was composed of the 12th, 13th, 14th, 15th and 16th Vermont Infantry regiments, all nin ...

),Biography — Brigadier General E.H. Stoughton
/ref> cut telegraph wires during Early's Valley Campaign and numerous raids against rail lines and supply stations.

Battle of Fort Stevens

The corps took part in the defense of Washington during Jubal Early's Washington Raid of 1864, playing a major role in the defense of Fort Stevens on July 11, 1864. Hardin's

Division Division or divider may refer to: Mathematics *Division (mathematics), the inverse of multiplication *Division algorithm, a method for computing the result of mathematical division Military *Division (military), a formation typically consisting ...

held the skirmish lines and engaged in small engagements, suffering 73 killed and wounded. The following day, Early found the works held by veteran soldiers of

Major General Major general (abbreviated MG, maj. gen. and similar) is a military rank used in many countries. It is derived from the older rank of sergeant major general. The disappearance of the "sergeant" in the title explains the apparent confusion of a ...

Horatio Wright's

VI Corps 6 Corps, 6th Corps, Sixth Corps, or VI Corps may refer to: France * VI Cavalry Corps (Grande Armée), a cavalry formation of the Imperial French army during the Napoleonic Wars * VI Corps (Grande Armée), a formation of the Imperial French army du ...

and

Brevet Brevet may refer to: Military * Brevet (military), higher rank that rewards merit or gallantry, but without higher pay * Brevet d'état-major, a military distinction in France and Belgium awarded to officers passing military staff college * Aircre ...

William Emory's XIX Corps. After making a small fight, Early would withdraw, crossing back into

the next day.

Command history

Notable officers

Components of XXII Corps

Many Regiments and Brigades serving in the XXII Corps were only temporarily assigned to it. Some mainly served during times when they were reconstituting due to battle casualties, while others were trained in the vicinity of Washington before going into the field. Yet others were heavy artillery regiments assigned to the fortifications surrounding the capital. Many units, including heavy artillery regiments, left when more soldiers were needed during Grant's Overland Campaign and continued through the

Richmond-Petersburg Campaign The Richmond–Petersburg campaign was a series of battles around Petersburg, Virginia, fought from June 9, 1864, to March 25, 1865, during the American Civil War. Although it is more popularly known as the Siege of Petersburg, it was not a cla ...

until the end of the war. Some units began serving before the XXII Corps was formed.

Famed Brigades in XXII Corps

The California Brigade was formed by

Oregon Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...

Senator A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...

and

Edwin Baker to have a

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

presence in the Eastern Theater. After the death of Colonel Baker at the

Battle of Balls Bluff The Battle of Ball's Bluff was an early battle of the American Civil War fought in Loudoun County, Virginia, on October 21, 1861, in which Union Army forces under Major General George B. McClellan suffered a humiliating defeat. The operation was ...

, the brigade was redesignated the

Philadelphia Brigade The Philadelphia Brigade (also known as the California Brigade) was a Union Army brigade that served in the American Civil War. It was raised primarily in the city of Philadelphia, Pennsylvania, with the exception of the 106th regiment which cont ...

. Made up of the 1st,

2nd A second is the base unit of time in the International System of Units (SI). Second, Seconds or 2nd may also refer to: Mathematics * 2 (number), as an ordinal (also written as ''2nd'' or ''2d'') * Second of arc, an angular measurement unit ...

3rd Third or 3rd may refer to: Numbers * 3rd, the ordinal form of the cardinal number 3 * , a fraction of one third * Second#Sexagesimal divisions of calendar time and day, 1⁄60 of a ''second'', or 1⁄3600 of a ''minute'' Places * 3rd Street (d ...

, and 5th California Infantry. After redesignation as the

, it consisted of the 69th, 71st, 72nd, and 106th Pennsylvania Infantry.California and the Civil War - California Brigade
/ref> The

First New Jersey Brigade The First New Jersey Brigade (also called the First Jersey Brigade and Kearny's New Jersey Brigade) is the common name for an American Civil War brigade of New Jersey infantry regiments in the Union Army of the Potomac. Its official designation thro ...

was a

Brigade A brigade is a major tactical military formation that typically comprises three to six battalions plus supporting elements. It is roughly equivalent to an enlarged or reinforced regiment. Two or more brigades may constitute a division. Br ...

formed by the state of

New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delaware ...

while defending

This was the first brigade in the Civil War to be formed with the intention of encompassing regiments from one state. It consisted of the 1st,

, 4th, and

10th New Jersey Infantry The 10th New Jersey Infantry Regiment was a regiment was organized under the provisions of an Act of Congress approved July 22, 1861, and by authority issued by the War Department. It was created to recruit from residents of the State of New Jerse ...

. By the end of the war, at different it would have up to eight New Jersey regiments. The Pennsylvania Reserve Division was formed out of an overflow of volunteers over the amount requested by the Department of War. After the

Secretary of War The secretary of war was a member of the U.S. president's Cabinet, beginning with George Washington's administration. A similar position, called either "Secretary at War" or "Secretary of War", had been appointed to serve the Congress of the ...

declined to accept the new units into Federal Service, they were formed, equipped and maintained by the State of

Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...

. During its service in Washington, D.C., it was composed of the

, 4th, and 8th Pennsylvania Reserves.

Vermont Vermont () is a state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York to the west, and the Canadian province of Quebec to ...

gave two brigades to the defenses of Washington, D.C. The

1st Vermont Brigade The First Vermont Brigade, or "Old Brigade" was an infantry brigade in the Union Army of the Potomac during the American Civil War. It suffered the highest casualty count of any brigade in the history of the United States Army, with some 1,172 kille ...

, composed of the

, 4th, and

6th Vermont Infantry The 6th Vermont Infantry Regiment was a three years' 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 October 1861 to June 1865. It wa ...

. It was brigaded together through the efforts of Colonel William F. "Baldy" Smith who went to his

West Point The United States Military Academy (USMA), also known Metonymy, metonymically as West Point or simply as Army, is a United States service academies, United States service academy in West Point, New York. It was originally established as a f ...

classmate and friend, Major General

. The

, composed of

12th 12 (twelve) is the natural number following 11 and preceding 13. Twelve is a superior highly composite number, divisible by 2, 3, 4, and 6. It is the number of years required for an orbital period of Jupiter. It is central to many systems ...

, 13th,

14th 14 (fourteen) is a natural number following 13 (number), 13 and preceding 15 (number), 15. In relation to the word "four" (4), 14 is spelled "fourteen". In mathematics * 14 is a composite number. * 14 is a square pyramidal number. * 14 is a s ...

15th 15 (fifteen) is the natural number following 14 (number), 14 and preceding 16 (number), 16. Mathematics 15 is: * A composite number, and the sixth semiprime; its proper divisors being , and . * A deficient number, a smooth number, a lucky ...

, and 16th Vermont Infantry, all nine-month regiments, was formed October 27, 1862.History — Vermont Brigade
/ref> The

Iron Brigade The Iron Brigade, also known as The Black Hats, Black Hat Brigade, Iron Brigade of the West, and originally King's Wisconsin Brigade was an infantry brigade in the Union Army of the Potomac during the American Civil War. Although it fought enti ...

was the only named brigade to come from varied states, the

, 6th, and 7th Wisconsin Infantry, along with the 19th Indiana Infantry and was formed on October 1, 1861. Although at the time, it wasn't known by this name, simply known as 3rd Brigade,

. It wouldn't earn the moniker for almost a year, during the

Battle of South Mountain The Battle of South Mountain—known in several early Southern accounts as the Battle of Boonsboro Gap—was fought on September 14, 1862, as part of the Maryland campaign of the American Civil War. Three pitched battles were fought for posses ...

during the Antietam Campaign.History — Iron Brigade
/ref>

Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York to the west, and Long Island Sound to the south. Its cap ...

Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacent Del ...

District of Columbia ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, ...

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolita ...

Indiana Indiana () is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th s ...

Maine Maine () is a state in the New England and Northeastern regions of the United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Canadian provinces of New Brunswick and Quebec to the northeast and north ...

Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...

Massachusetts Massachusetts (Massachusett language, Massachusett: ''Muhsachuweesut assachusett writing systems, məhswatʃəwiːsət'' English: , ), officially the Commonwealth of Massachusetts, is the most populous U.S. state, state in the New England ...

New Hampshire New Hampshire is a U.S. state, state in the New England region of the northeastern United States. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec t ...

New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delaware ...

New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...

Ohio Ohio () is a state in the Midwestern region of the United States. Of the fifty U.S. states, it is the 34th-largest by area, and with a population of nearly 11.8 million, is the seventh-most populous and tenth-most densely populated. The sta ...

Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...

Vermont Vermont () is a state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York to the west, and the Canadian province of Quebec to ...

United States Volunteers United States Volunteers also known as U.S. Volunteers, U.S. Volunteer Army, or other variations of these, were military volunteers called upon during wartime to assist the United States Army but who were separate from both the Regular Army and the ...

Notes

References

* Boatner, Mark M. III, ''The Civil War Dictionary: Revised Edition'', David McKay Company, Inc., 1984.
Eicher, John H., and Eicher, David J., ''Civil War High Commands'', Stanford University Press, 2001
* Fox, William F.

reprinted by Morningside Bookshop, Dayton, Ohio, 1993, .

at Making of America,

Cornell University Cornell University is a private statutory land-grant research university based in Ithaca, New York. It is a member of the Ivy League. Founded in 1865 by Ezra Cornell and Andrew Dickson White, Cornell was founded with the intention to teach an ...

External links

XXII Corps history
{{DEFAULTSORT:Xxii Corps (Union Army) 22 Washington, D.C., in the American Civil War Civil War defenses of Washington, D.C. Military units and formations established in 1863 Military units and formations disestablished in 1865 1863 establishments in the United States

History

Department of the East

Department of Washington, D.C.

Department of the Potomac

Military District of Washington

Department of the Rappahannock

Defenses of Washington, D.C.

Department of Washington

XXII Corps

Battles

Mosby's Raids

Battle of Fort Stevens

Command history

Notable officers

Components of XXII Corps

Famed Brigades in XXII Corps

Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York to the west, and Long Island Sound to the south. Its cap ...

Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacent Del ...

District of Columbia ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, ...

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolita ...

Indiana Indiana () is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th s ...

Maine Maine () is a state in the New England and Northeastern regions of the United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Canadian provinces of New Brunswick and Quebec to the northeast and north ...

Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...

Massachusetts Massachusetts (Massachusett language, Massachusett: ''Muhsachuweesut assachusett writing systems, məhswatʃəwiːsət'' English: , ), officially the Commonwealth of Massachusetts, is the most populous U.S. state, state in the New England ...

New Hampshire New Hampshire is a U.S. state, state in the New England region of the northeastern United States. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec t ...

New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delaware ...

New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...

Ohio Ohio () is a state in the Midwestern region of the United States. Of the fifty U.S. states, it is the 34th-largest by area, and with a population of nearly 11.8 million, is the seventh-most populous and tenth-most densely populated. The sta ...

Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...

Vermont Vermont () is a state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York to the west, and the Canadian province of Quebec to ...

United States Volunteers United States Volunteers also known as U.S. Volunteers, U.S. Volunteer Army, or other variations of these, were military volunteers called upon during wartime to assist the United States Army but who were separate from both the Regular Army and the ...

See also

Notes

References

External links