The Irish Brigade was an infantry brigade, consisting predominantly of Irish Americans, who served in the Union Army in the American Civil War. The designation of the first regiment in the brigade, the 69th New York Infantry, or the "Fighting 69th," continued in later wars. The Irish Brigade was known in part for its famous war cry, the "Faugh a Ballaugh" which is an anglicization of the Irish phrase, fág an bealach, meaning "clear the way" and used in various Irish-majority military units founded due to the Irish diaspora. According to Fox's Regimental Losses, of all Union army brigades, only the 1st Vermont Brigade and Iron Brigade suffered more combat dead than the Irish Brigade during America's Civil War.
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 killed in action.
There were five corps in the Union Army designated as II Corps during the American Civil War. These formations were the Army of the Cumberland II Corps commanded by Thomas L. Crittenden from October 24, 1862, to November 5, 1862, later renumbered XXI Corps; the Army of the Mississippi II corps led by William T. Sherman from January 4, 1863, to January 12, 1863, renumbered XV Corps; Army of the Ohio II Corps commanded by Thomas L. Crittenden from September 29, 1862, to October 24, 1862, transferred to Army of the Cumberland; Army of Virginia II Corps led by Nathaniel P. Banks from June 26, 1862, to September 4, 1862, and Alpheus S. Williams from September 4, 1862, to September 12, 1862, renumbered XII Corps; and the Army of the Potomac II Corps from March 13, 1862, to June 28, 1865.
John Curtis Caldwell was a teacher, a Union general in the American Civil War, and an American diplomat.
Samuel Kosciuszko Zook was a Union general during the American Civil War who was mortally wounded in action at the Battle of Gettysburg.
The Pennsylvania Reserves were an infantry division in the Union Army during the American Civil War. Noted for its famous commanders and high casualties, it served in the Eastern Theater, and fought in many important battles, including Antietam and Gettysburg.
The 139th Pennsylvania was an infantry regiment in the Union Army during the American Civil War.
The Philadelphia 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 contained men from Lycoming and Bradford counties.
Patrick Kelly was an Irish-American Union Army officer during the American Civil War. He led the famed Irish Brigade at the Battle of Gettysburg.
The 3rd Pennsylvania Reserve Regiment, also known as the 32nd Pennsylvania Volunteer Infantry Regiment, was an infantry regiment that served in the Union Army during the American Civil War. It was part of the 2nd Brigade of the Pennsylvania Reserves division.
The 22nd Regiment Massachusetts Volunteer Infantry was an infantry regiment in the Union army during the American Civil War. The 22nd Massachusetts was organized by Senator Henry Wilson and was therefore known as "Henry Wilson's Regiment." It was formed in Boston, Massachusetts, and established on September 28, 1861, for a term of three years.
William J. Colvill Jr. was an American Union colonel in the American Civil War who led the 1st Minnesota Volunteer Infantry in the Battle of Gettysburg. He was Minnesota Attorney General from 1866 to 1868 and he also served in the Minnesota House of Representatives.
William "Buck" McCandless was an American military officer and politician from Pennsylvania. He served in the Union Army during the American Civil War and commanded a regiment and then a brigade in the Pennsylvania Reserve Division. He served as a Democratic member of the Pennsylvania State Senate for the 1st district from 1867 to 1868 and as the first Secretary of Internal Affairs of Pennsylvania from 1875 to 1879.
The Thirteenth Pennsylvania Reserve Regiment, also known as the 42nd Pennsylvania Volunteer Infantry, the 1st Pennsylvania Rifles, Kane's Rifles, or simply the "Bucktails," was a volunteer infantry regiment that served in the Union Army during the American Civil War. It was a part of the famed Pennsylvania Reserve division in the Army of the Potomac for much of the early and middle parts of the war, and served in the Eastern Theater in a number of important battles, including Antietam, Fredericksburg, and Gettysburg.
The 2nd Regiment Massachusetts Volunteer Infantry was an infantry regiment in the Union Army during the American Civil War. Major George H. Gordon, a West Point graduate and veteran of the Mexican–American War, organized the unit's recruitment and formation. The 2nd Massachusetts was trained at Camp Andrew in West Roxbury, Massachusetts on the site of the former Transcendentalist utopian community, Brook Farm. Roughly half the regiment was mustered in on May 18, 1861 and the remainder on May 25, 1861 for a term of three years. The regiment saw extensive combat as part of the Army of the Potomac particularly during the Battle of Antietam and the Battle of Gettysburg.
The 29th Regiment Massachusetts Volunteer Infantry was an infantry regiment in the Union army of the United States during the American Civil War. The regiment was organized in December 1861 when three new companies were attached to a battalion of seven Massachusetts companies that had been in active service since May 1861. These seven companies had been recruited to fill out the 3rd Massachusetts and 4th Massachusetts regiments and had signed on for three years of service. When the 3rd and 4th Massachusetts were mustered out in July 1861, the seven companies that had signed on for three years were grouped together to form a battalion known as the Massachusetts Battalion. Finally, in December 1861, three more companies were added to their roster to form a full regiment and the unit was designated the 29th Massachusetts.
The 64th New York Infantry Regiment, the "First Cattaraugus Regiment", was an infantry regiment of the Union Army during the American Civil War.
The 61st New York Infantry Regiment, also known as the "Astor Regiment", was an infantry regiment of the Union Army during the American Civil War.
The 83rd New York Infantry Regiment, the "Ninth Militia," "Ninth Infantry National Guard," or "City Guard", was an infantry regiment of the Union Army during the American Civil War.
Independent Battery F, Pennsylvania Light Artillery, also known as the "Pittsburg Battery", was an artillery battery that served in the Union Army during the American Civil War. Organized in December 1861, the unit first served in the Shenandoah Valley. Battery F fought at Hancock, Winchester, Sulphur Springs, Second Bull Run, Chantilly, and Antietam in 1862. The following year the unit fought at Chancellorsville, Gettysburg, the Bristoe Campaign, and Mine Run. In 1864–1865, Battery F fought at Morton's Ford and served in the garrisons of Washington, D.C., and Harper's Ferry, West Virginia before being mustered out in June 1865. One enlisted man from the battery won the Medal of Honor for heroic action at Gettysburg.
