The XI Corps (Eleventh Army Corps) was a corps of the U.S. Army during the American Civil War, best remembered for its involvement in the battles of Chancellorsville and Gettysburg in 1863. The corps was composed primarily of German-American regiments.
The XI Corps was an amalgamation of two separate commands. These were John Fremont's Army of the Mountain Department and Louis Blenker's division of German immigrants. Blenker had led a German brigade at First Bull Run, although it was held in reserve and saw no major fighting, and afterward became a division commander in the new Army of the Potomac. Intended to go to the Virginia Peninsula in the spring of 1862, Blenker's troops were instead detached and sent out west to join Fremont. The division got lost and ran out of supplies, resulting in soldiers dropping out of the ranks from hunger, fatigue, and sickness. Many German soldiers angered locals in the Shenandoah Valley by indiscriminately looting homes and farms. They also did not have a good relationship with the native-born soldiers in Fremont's command—eventually, Brig. Gen William Rosecrans found the lost division and brought them to Fremont's headquarters at Petersburg, West Virginia.
At the Battle of McDowell on May 5, Robert Schneck's division unsuccessfully attacked Stonewall Jackson's army. On June 8, Fremont's entire command engaged Jackson again at the Battle of Cross Keys, where Blenker's German troops were routed from the field in their first battle. By the end of the month, Brig. Gen Carl Schurz wrote to President Lincoln that the German regiments suffered from hunger, lack of tents and shoes, and could barely fight. Of the 10,000 men Blenker had had with him in March, less than 7000 were still present for duty in late June.
On June 26, 1862, PresidentAbraham Lincoln ordered that "the troops of the Mountain Department, heretofore under the command of General John C. Frémont, shall constitute the First Army Corps, under the command of General Frémont." The corps thus formed was, for the most part, the same as the one afterward known as the XI Corps, and within a short time, it was officially designated as such. This order of President Lincoln was included in the one constituting John Pope's Army of Virginia, which was formed from the three commands of Frémont, Nathaniel P. Banks, and Irvin McDowell.
Fremont was offended at serving under Pope, whom he outranked, and resigned his command. Major General Franz Sigel thus assumed command of the corps on June 29. Many of the German soldiers could speak little English beyond "I fights mit Sigel" ("I'll fight with Sigel"), which was their proud slogan. President Lincoln chose Sigel less for his military skills than his influence on this crucial political constituency. In early August, Louis Blenker stepped down from command due to the lingering effects of an injury sustained during the spring; he died in October 1863. Sigel was in command at the Second Battle of Bull Run, where the corps was in the thick of the fighting, losing 295 killed, 1,361 wounded, and 431 missing; total, 2,087. At this time, the three divisions were commanded by Generals Robert C. Schenck, Adolph von Steinwehr, and Carl Schurz; there was also an independent brigade attached, under the command of Brig. Gen. Robert H. Milroy. During the first day of the battle, the corps performed a series of unsuccessful assaults on Stonewall Jackson's center and left flank. On the second day, it was in the middle of the desperate fighting against James Longstreet's Confederates on Chinn Ridge, where Sigel and Schneck were wounded and Col. John Koltes, one of the brigade commanders, was killed.
Marker and recreated winter hut at the site of the XI Corps winter encampment in Stafford Civil War Park, Virginia, February 2024.
By General Orders No. 129, September 12, 1862, the corps's designation was changed to that of the XI Army Corps, a necessary change, as McDowell's command had resumed its original title of the I Corps. The corps had suffered severely at Second Bull Run and came close to being routed from the field, so it was left behind in Washington D.C. during the Maryland Campaign to rest and refit. Robert Milroy's brigade was detached and sent off to West Virginia. Col. Nathaniel McLean was promoted to brigadier general and succeeded Robert Schneck as commander of the 1st Division. During the fall months, the XI Corps occupied various outposts along the Potomac River and Northern Virginia. In December, it marched to Fredericksburg but was not present at the battle, after which it went into winter quarters at Stafford, Virginia.
With the ascension of Joseph Hooker to command of the army in February 1863, Franz Sigel was the second most senior officer in the ranks. Because of this and because the XI Corps was the smallest in the Army of the Potomac, he felt that it deserved to be enlarged. His request denied, Sigel angrily resigned his command. Replacing him was Maj. Gen. Oliver Otis Howard, who had lately been complaining that he deserved a corps command since General Daniel Sickles, his junior in rank, had gotten one. Howard quickly established a poor relationship with the troops due to his intense religious fervor, which especially alienated the anti-clerical Germans, and for bringing in two new, unpopular generals, Francis Barlow and Charles Devens. Devens, formerly a brigade commander in the IV and VI Corps, was given command of the 1st Division over Nathaniel McLean, who got demoted back to brigade command. The relationship between the two generals was touchy. Barlow, formerly of the II Corps, had a habit of being an aggressive martinet.
General Howard commanded the corps at Chancellorsville, May 1–3, 1863, at which time it numbered 12,169 effectives, and was composed of the divisions of Generals Charles Devens, von Steinwehr, and Schurz. It contained 27 regiments of infantry, of which 13 were German regiments. The men of the XI Corps were good soldiers, for the most part, tried and veteran troops, but their leadership let them down.[citation needed] On May 1, Robert E. Lee and his subordinate, "Stonewall" Jackson, came up with a risky, but daring, plan of attack. They would split their 40,000-man force at Chancellorsville, with Jackson taking his Second Corps of 28,000 men around to attack the U.S. right flank. On May 2, Jackson flawlessly executed his stealthy flanking march, whose target was the unlucky XI Corps. The right flank of the U.S. line was in the air; it was not anchored to any geographic barrier, such as a river or mountain. Although General Howard had been warned of Confederate movement across his front, he took no steps to prepare his command against Jackson's attack; only two inoperative artillery pieces were pointed at the Wilderness.
When Jackson's corps struck at about 6 p.m., the XI Corps was utterly unprepared, with many men eating supper. The attack was a complete success and the high point of Jackson's military career, but it was an utter disaster for the XI Corps. Some of the brigades changed front to meet the attack, barely resisting, and were pushed back, hardly slowing the enemy down, but most of the corps fled to the east, running down the Orange Turnpike past the crossroads at Chancellorsville. The loss to the corps at Chancellorsville was 217 killed, 1,218 wounded, and 972 captured or missing, 2,407 in total.
At Gettysburg, the corps was still under the command of Howard; the divisions were under Generals Francis C. Barlow, Steinwehr, and Schurz, and contained 26 regiments of infantry and 5 batteries of artillery. The corps' men went into this battle with high anticipation and hoped to restore the reputation sullied at Chancellorsville. They arrived from south of town mid-day on July 1, 1863, aware that the I Corps was already heavily engaged just to the west of town. General Howard deployed one division (von Steinwehr's) on the heights of Cemetery Hill as a reserve and the other two divisions north of town. Howard briefly commanded the entire battle until the arrival of Winfield S. Hancock.
The Confederate Second Corps under Richard S. Ewell arrived from the north with a devastating assault. Barlow's division was deployed on the right, and he foolishly moved his force to a small hill (now known as Barlow's Knoll), causing a salient in the line that could be attacked from multiple directions. The division of Jubal A. Early took advantage of this, and Barlow's division reeled back. Barlow himself was wounded and captured. The collapse of the corps' right flank had a domino effect on its left and the I Corps division to its left, resulting in a general retreat of U.S. forces through the town of Gettysburg to the safety of Cemetery Hill, losing many captured on the way. On the second day, the XI Corps participated in the gallant and successful defense of East Cemetery Hill against a second attack by Early. On the day before the battle of Gettysburg, the corps reported 10,576 officers and men for duty; its loss in that battle was 368 killed, 1,922 wounded, and 1,511 captured or missing; total, 3,801, out of less than 9,000 engaged.
Tennessee
After Gettysburg, George Meade decided to break up the XI Corps. Returning to Virginia after Gettysburg, on August 7, the 1st Division (Alexander Schimmelfennig's and later George Henry Gordon's) was permanently detached, having been ordered to Charleston Harbor. On September 24, the 2nd and 3rd divisions (Steinwehr's and Schurz's) were ordered to Tennessee, together with the XII Corps under the command of Former Army of the Potomac commander Joseph Hooker. These two corps, numbering over 20,000 men, were transported, within a week, over 1,200 miles, and placed on the banks of the Tennessee River, at Bridgeport, without an accident or detention.
During the following month, on October 29, Howard's two divisions were ordered to support the XII Corps at the Battle of Wauhatchie, opening the supply lines to the besieged city of Chattanooga. Arriving there, Col. Orland Smith's Brigade of von Steinwehr's Division charged up a steep hill in the face of the enemy, receiving but not returning the fire, and drove James Longstreet's veterans out of their entrenchments, using the bayonet alone. Some of the regiments in this affair suffered a severe loss. Still, their extraordinary gallantry won extravagant expressions of praise from various generals high in rank, including General Ulysses S. Grant. A part of the XI Corps was also actively engaged at Missionary Ridge, where it cooperated with William T. Sherman's forces on the left. After this battle, it was ordered to East Tennessee for the relief of Knoxville, a campaign whose hardships and privations exceeded anything within the previous experience of the command.
In April 1864, the two divisions of the XI Corps were broken up and transferred to the newly formed XX Corps, which was put under Hooker's Command. General Howard was assigned to the command of the IV Corps and was promoted to the command of the Army of the Tennessee when James B. McPherson was killed at the Battle of Atlanta. Hooker was enraged by Howard's promotion (because he thought he deserved it himself and never forgave Howard for what happened at Chancellorsville) and resigned in protest. Hooker was replaced by Henry Slocum.
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Nathaniel Collins McLean, was a lawyer, farmer, and Union general during the American Civil War. He was appointed colonel of the 75th Ohio Infantry Regiment in 1861 and led the regiment in several battles before commanding a brigade. During the Second Battle of Bull Run, his brigade's determined defense of Chinn Ridge probably saved the Union Army from a disaster. He led a brigade at the Battle of Chancellorsville in 1863, for a month in the Atlanta campaign in 1864, and in the Carolina campaign in 1865. After the war, he returned to his law practice in Cincinnati, moved to Minnesota, and moved again to New York where he died.
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Leopold von Gilsa was a career soldier who served as an officer in the armies of Prussia and later the United States. He is best known for his role in the misfortunes of the XI Corps in the Army of the Potomac during the American Civil War, particularly at the battles of Chancellorsville and Gettysburg, where many of his men were unjustly accused of cowardice.
The 68th New York Infantry Regiment served in the Union Army during the American Civil War. Also known as the Cameron Rifles or the Second German Rifle Regiment, the men were mostly German immigrants. Organized in July 1861, three months after the outbreak of war, the 68th saw service in the Eastern and Western theaters.
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The 75th Regiment Pennsylvania Volunteer Infantry was a unit of the Union Army during the American Civil War. It was composed almost entirely of German-speaking residents of Philadelphia and newly arrived German immigrants. Total enrollment, over the course of the war, was 1,293 officers and men. The 75th Pennsylvania participated in several major battles including Second Bull Run, Chancellorsville, and Gettysburg. The regiment was transferred to the Western Theater in September, 1863. There, it participated in operations in Tennessee, before it was mustered out of service on September 1, 1865, following the close of the war.
The 58th New York Infantry Regiment, also called the Polish Legion, was an infantry regiment of United States Volunteers in Union Army service during the American Civil War. The regiment was composed almost entirely of immigrant volunteers: Poles, Germans, Danes, Italians, Russians, and Frenchmen, most of whom were recruited in New York City in 1861.
The 154th New York Infantry Regiment was an infantry regiment in the U.S. Army during the American Civil War.
The 73rd Pennsylvania Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
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References
Eicher, John H., and Eicher, David J., Civil War High Commands, Stanford University Press, 2001, ISBN0-8047-3641-3.
Schurz, Carl, Reminiscences, 3 vols., New York: McClure Publ. Co., 1907. In Volume II, Chapter VIII, Carl Schurz details his experiences with the Eleventh Corps.
Further reading
Pula, James S. Under the Crescent Moon with the XI Corps in the Civil War. Vol. 1, From the Defenses of Washington to Chancellorsville, 1862–1863. El Dorado Hills, CA: Savas Beatie, 2017. ISBN978-1-61121-337-9.
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