The 3rd Indiana Cavalry Regiment, also designated the 45th Indiana Infantry Regiment or the 45th Indiana Volunteers was a military unit from the U.S. state of Indiana that participated in the American Civil War. It consisted of two separate "wings" that never operated together:
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. It was also the primary command structure of the Department of Northern Virginia. It was most often arrayed against the Union Army of the Potomac.
The 14th Connecticut Infantry Regiment, also known as the Nutmeg Regiment, was an infantry regiment that participated in the American Civil War. It participated in the Battle of Gettysburg, helping to repulse the Confederate attack on the third day known as Pickett's Charge.
The 8th Ohio Infantry Regiment was an infantry regiment in the Union Army during the American Civil War. It served in the Eastern Theater in a number of campaigns and battles, but perhaps is most noted for its actions in helping repulse Pickett's Charge during the Battle of Gettysburg.
The 14th Infantry Regiment is a United States Army light infantry regiment. It has served in the American Civil War, Boxer Rebellion, World War II, Korean War, Vietnam War, Operation Restore Hope, Operation Uphold Democracy, Operation Joint Guard, Operation Desert Storm, Operation Enduring Freedom, Operation Gothic Serpent, Operation New Dawn, Operation Resolute Support,Operation Iraqi Freedom, and Operation Inherent Resolve. The 14th Infantry Regiment did not take part in combat during World War I. It has also conducted peacekeeping and humanitarian missions in the Sinai Peninsula, Guantánamo Bay in Cuba, Bosnia, and Kosovo.
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 14th Indiana Infantry Regiment, later referred to as the Gallant Fourteenth, was an infantry regiment and part of the Union Army's celebrated "Gibraltar Brigade" of the Army of the Potomac during the American Civil War. Organized in May 1861 at Camp Vigo, near Terre Haute, Indiana, it was the state's first regiment organized for three years of service. The 14th Indiana served in major campaigns and battles in the Eastern Theater, mostly in West Virginia, Virginia, Pennsylvania, and Maryland. During its three years of service, the regiment had a total of 222 casualties.
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.
The 4th Ohio Infantry Regiment was an infantry regiment in the Union Army during the American Civil War. It served in the Eastern Theater in a number of campaigns and battles, but perhaps is most noted for its actions in helping secure Cemetery Hill during the Battle of Gettysburg.
The 112th Infantry Regiment, also known as the Sixteenth Pennsylvania, is a unit in the Pennsylvania National Guard which can trace its lineage back to before the American Civil War.
The 7th West Virginia Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War. For much of the war, it was a part of the famed "Gibraltar Brigade" in the Army of the Potomac. It was famed primarily for two major actions, a determined attack on the Sunken Road at Antietam and a late evening counterattack on East Cemetery Hill at Gettysburg that helped push back an attack by the Louisiana Tigers.
The 2nd Wisconsin Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War. It spent most of the war as a member of the famous Iron Brigade of the Army of the Potomac. It suffered the largest number of casualties as a percentage of its total enlistment of any Union Army unit in the war.
The 54th Pennsylvania Volunteer Infantry was an infantry regiment which served in the Union Army during the American Civil War.
The 6th Indiana Infantry Regiment was an infantry regiment from the State of Indiana that served in the Union Army during the American Civil War. This regiment was the senior Indiana regiment of the Civil War, as it was numbered first in sequence after the five Indiana volunteer regiments which had served in the Mexican–American War. The regiment was originally mustered-in for a three-month period of service between April and August 1861, but after its initial term of service had expired it was re-formed in September 1861 for a further three-year period, before being mustered out in September 1864.
The state of Illinois raised a number of short-lived Independent Cavalry Companies which served in the Union Army during the American Civil War. Most of these units were quickly amalgamated with larger formations.
The 3rd Arkansas Infantry Regiment, commonly known as the "Third Arkansas", was a line infantry formation of the Confederate States Army in the Eastern Theater of the American Civil War.
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 entirely in the Eastern Theater, it was composed of regiments from three Western states that are now within the region of the Midwest. Noted for its excellent discipline, ferocity in battle, and extraordinarily strong morale, the Iron Brigade suffered 1,131 men killed out of 7,257 total enlistments: the highest percentage of loss suffered by any brigade in the United States Army during the war.
The 18th Georgia Infantry Regiment was an infantry regiment in the Confederate Army during the American Civil War. Originally brigaded with the three Texas regiments of John Bell Hood's Texas Brigade, it was transferred to Thomas R.R. Cobb's Georgia Brigade after the Battle of Antietam in late 1862. After General Cobb was mortally wounded at the Battle of Fredericksburg, the original colonel of the 18th Georgia, William T. Wofford, became Brigadier General of the Georgia Brigade.
The 10th Virginia Cavalry Regiment was a cavalry regiment raised in Virginia for service in the Confederate States Army during the American Civil War. It fought mostly with the Army of Northern Virginia.
The 1st Texas Infantry Regiment, nicknamed the "Ragged Old First," was an infantry regiment raised in Texas for service in the Confederate States Army during the American Civil War. It fought mostly with the Army of Northern Virginia.
The 45th New York Infantry Regiment, also known as the 5th German Rifles, was an infantry regiment that served in the Union Army during the American Civil War. It was composed almost entirely of German immigrants. Formed approximately five months after the start of hostilities, the unit's service spanned almost the entirety of the war, and it saw action in several of the war's noteworthy battles, in both the Eastern and Western Theaters.