The Battle of Antietam, or Battle of Sharpsburg particularly in the Southern United States, was a battle of the American Civil War fought on September 17, 1862, between Confederate Gen. Robert E. Lee's Army of Northern Virginia and Union Gen. George B. McClellan's Army of the Potomac near Sharpsburg, Maryland, and Antietam Creek. Part of the Maryland Campaign, it was the first field army–level engagement in the Eastern Theater of the American Civil War to take place on Union soil. It remains the bloodiest day in American history, with a combined tally of 22,727 dead, wounded, or missing. Although the Union army suffered heavier casualties than the Confederates, the battle was a major turning point in the Union's favor.
The Battle of Perryville, also known as the Battle of Chaplin Hills, was fought on October 8, 1862, in the Chaplin Hills west of Perryville, Kentucky, as the culmination of the Confederate Heartland Offensive during the American Civil War. Confederate Gen. Braxton Bragg's Army of Mississippi initially won a tactical victory against primarily a single corps of Maj. Gen. Don Carlos Buell's Union Army of the Ohio. The battle is considered a strategic Union victory, sometimes called the Battle for Kentucky, since Bragg withdrew to Tennessee soon thereafter. The Union retained control of the critical border state of Kentucky for the remainder of the war.
The Battle of Shepherdstown, also known as the Battle of Boteler's Ford, took place September 19–20, 1862, at Boteler's Ford along the Potomac River, during the Maryland campaign of the American Civil War. After the Battle of Antietam on September 17, General Robert E. Lee and the Confederate Army of Northern Virginia withdrew across the Potomac. Lee left a rear guard commanded by Brigadier General William N. Pendleton at Boteler's Ford. On September 19, elements of the Union V Corps dueled with Pendleton's artillery before pushing a short distance across the river at dusk. Pendleton inaccurately informed Lee that all of the artillery of the rear guard had been captured. On the morning of September 20, the Confederates counterattacked with A. P. Hill's Light Division, forcing the Union units back across the Potomac. One Union unit, the 118th Pennsylvania Infantry Regiment, did not withdraw at the same time as the others and suffered heavy losses. Lee's army continued its retreat into the Shenandoah Valley after the battle.
The siege of Knoxville saw Lieutenant General James Longstreet's Confederate forces besiege the Union garrison of Knoxville, Tennessee, led by Major General Ambrose Burnside. When Major General William T. Sherman approached Knoxville with an overwhelming Union force, Longstreet ended the siege on December 4 and withdrew northeast. The siege was part of the Knoxville campaign of the American Civil War.
The following Union Army units and commanders fought in the Battle of Antietam of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the army organization during the Maryland Campaign, the casualty returns and the reports.
The M1841 12-pounder howitzer was a bronze smoothbore muzzle-loading artillery piece that was adopted by the United States Army in 1841 and employed during the Mexican–American War and the American Civil War. It fired a 8.9 lb (4.0 kg) shell up to a distance of 1,072 yd (980 m) at 5° elevation. It could also fire canister shot and spherical case shot. The howitzer proved effective when employed by light artillery units during the Mexican–American War. The howitzer was used throughout the American Civil War, but it was outclassed by the 12-pounder Napoleon which combined the functions of both field gun and howitzer. In the U.S. Army, the 12-pounder howitzers were replaced as soon as more modern weapons became available. Though none were manufactured after 1862, the weapon was not officially discarded by the U.S. Army until 1868. The Confederate States of America also manufactured and employed the howitzer during the American Civil War.
The 20-pounder Parrott rifle, Model 1861 was a cast iron muzzle-loading rifled cannon that was adopted by the United States Army in 1861 and employed in field artillery units during the American Civil War. As with other Parrott rifles, the gun breech was reinforced by a distinctive wrought iron reinforcing band. The gun fired a 20 lb (9.1 kg) projectile to a distance of 1,900 yd (1,737 m) at an elevation of 5°. The 20-pounder Parrott rifle could fire shell, shrapnel shell, canister shot, and more rarely solid shot. In spite of the reinforcing band, the 20-pounder earned a dubious reputation for bursting without warning, killing or injuring gunners. The Confederate States of America also manufactured copies of the gun.
The 2nd U.S. Artillery, Battery E was an artillery battery that served in the Union Army during the American Civil War. The unit fought at the battles of First Bull Run in 1861 and Yorktown, the Seven Days, Second Bull Run, Chantilly, Antietam, and Fredericksburg in 1862. The following year, Battery E moved to the Western Theater where it served at Vicksburg and Knoxville. In 1864, the unit transferred back to the Eastern Theater where it fought at the Wilderness, Spotsylvania, Totopotomoy, and Cold Harbor. For the rest of the war, it became part of the Washington D.C. garrison.
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.
The 14-pounder James rifle or James rifled 6-pounder or 3.8-inch James rifle was a bronze muzzle-loading rifled cannon that was employed by the United States Army and the Confederate States Army during the American Civil War. It fired a 14 lb (6.4 kg) solid shot up to a distance of 1,530 yd (1,400 m) at 5° elevation. It could also fire canister shot and common shell. Shortly before the war broke out, the U.S. Army adopted a plan to convert M1841 6-pounder field guns from smoothbore to rifled artillery. Rifling the existing 6-pounders would both improve the gun's accuracy and increase the weight of the shell. There were two major types produced, both were bronze with a bore (caliber) of 3.8 in (97 mm) that would accommodate ammunition designed by Charles Tillinghast James. The first type looked exactly like an M1841 6-pounder field gun. The second type had a longer tube with a smooth exterior profile similar to a 3-inch Ordnance rifle. At first the rifles were quite accurate. However, it was discovered that the bronze rifling quickly wore out and accuracy declined. None of the rifles were manufactured after 1862, and many were withdrawn from service, though some artillery units employed the guns until the end of the war.
Bridges' Battery Illinois Light Artillery was an artillery battery from Illinois that served in the Union Army during the American Civil War. Organized on 17 June 1861 as Company G, 19th Illinois Infantry Regiment, it was detached as an independent artillery battery on 14 January 1863. The battery fought in the Tullahoma campaign, at the battles of Chickamauga and Missionary Ridge, and in the Knoxville campaign in 1863. Bridges' Battery participated in the Atlanta campaign in 1864, fighting at Rocky Face Ridge, Resaca, Adairsville, Pickett's Mill, Kennesaw Mountain, Peachtree Creek, Atlanta, and Jonesboro. The unit fought at Franklin and Nashville shortly before it was renamed Battery B, 1st Illinois Light Artillery Regiment on 21 December 1864. It spent the rest of the war with the Nashville garrison and was mustered out in July 1865.
Battery I, 1st Illinois Light Artillery Regiment was an artillery battery from Illinois that served in the Union Army during the American Civil War. The battery was organized in February 1862 at Chicago and within two months it fought at Shiloh. Later, the battery served at Corinth, Vicksburg, Jackson, Missionary Ridge, Knoxville, Franklin, and Nashville. The battery mustered out of Federal service in July 1865.
Battery B, 2nd Illinois Light Artillery Regiment was an artillery battery from Illinois that served in the Union Army during the American Civil War. The battery was organized in June 1861. It fought at Shiloh, First Corinth, and Second Corinth in 1862. Subsequently, the unit garrisoned Corinth, Mississippi until January 1864. It was stationed at Memphis, Tennessee until June 1864 when it fought at Brices Cross Roads. The battery garrisoned Memphis until it was mustered out in July 1865.
The M1841 24-pounder howitzer was a bronze smoothbore muzzle-loading artillery piece adopted by the United States Army in 1841 and employed from the Mexican–American War through the American Civil War. It fired a 18.4 lb (8.3 kg) shell to a distance of 1,322 yd (1,209 m) at 5° elevation. It could also fire canister shot and spherical case shot. The howitzer was designed to be employed in a mixed battery with 12-pounder field guns. By the time of the American Civil War, the 24-pounder howitzer was superseded by the 12-pounder Napoleon, which combined the functions of both field gun and howitzer. The 24-pounder howitzer's use as field artillery was limited during the conflict and production of the weapon in the North ended in 1863. The Confederate States of America manufactured a few 24-pounder howitzers and imported others from the Austrian Empire.
The M1857 12-pounder Napoleon or Light 12-pounder gun or 12-pounder gun-howitzer was a bronze smoothbore muzzleloading artillery piece that was adopted by the United States Army in 1857 and extensively employed in the American Civil War. The gun was the American-manufactured version of the French canon obusier de 12 which combined the functions of both field gun and howitzer. The weapon proved to be simple to produce, reliable, and robust. It fired a 12.03 lb (5.5 kg) round shot a distance of 1,619 to 1,680 yd at 5° elevation. It could also fire canister shot, common shell, and spherical case shot. The 12-pounder Napoleon outclassed and soon replaced the M1841 6-pounder field gun and the M1841 12-pounder howitzer in the U.S. Army, while replacement of these older weapons was slower in the Confederate States Army. A total of 1,157 were produced for the U.S. Army, all but a few in the period 1861–1863. The Confederate States of America utilized captured U.S. 12-pounder Napoleons and also manufactured about 500 during the war. The weapon was named after Napoleon III of France who helped develop the weapon.
Battery M, 1st New York Light Artillery Regiment was an artillery battery from New York state that served in the Union Army during the American Civil War. The battery was organized in October 1861. It fought at First Winchester, Cedar Mountain, Second Bull Run, and Antietam in 1862. Battery M fought at Chancellorsville and Gettysburg in 1863. It took part in the Atlanta campaign and Sherman's March to the Sea in 1864 and fought at Bentonville in 1865. The battery marched in the Grand Review of the Armies and was mustered out in June 1865.
The 1st Louisiana Infantry Regiment was a unit of volunteers recruited in Louisiana that fought in the Confederate States Army during the American Civil War. Formed in April 1861, the regiment was sent to fight in the Eastern Theater of the American Civil War. Joining a brigade of Louisiana regiments, it fought at Malvern Hill, Second Bull Run, Antietam, and Fredericksburg in 1862, at Chancellorsville, Second Winchester, Gettysburg, and Mine Run in 1863, and at the Wilderness, Spotsylvania, Monocacy, Third Winchester, Fisher's Hill, Cedar Creek, and Petersburg in 1864, and at Appomattox in 1865. At Appomattox, the regiment was only a shadow of its former self.
The Louisiana Guard Battery was an artillery unit recruited from volunteers in Louisiana that fought in the Confederate States Army during the American Civil War. Formed from an infantry company sent to fight in the Eastern Theater of the American Civil War, it was converted to an artillery company in July 1861. The battery fought at Cedar Mountain, Second Bull Run, Antietam, and Fredericksburg in 1862, and at Chancellorsville, Second Winchester, and Gettysburg in 1863. Most of the soldiers and all of the battery's guns were captured at Rappahannock Station on 7 November 1863. The surviving gunners manned heavy artillery pieces in the defenses of Richmond, Virginia, and the battery's remnant surrendered at Appomattox.
The Donaldsonville Louisiana Artillery was a Louisiana artillery unit that fought in the Confederate States Army during the American Civil War. Formed from an old militia company, it arrived in the Eastern Theater of the American Civil War in September 1861 with three obsolete guns and was equipped with three additional rifled guns. The battery fought at Yorktown, Williamsburg, Seven Pines, Gaines' Mill, Glendale, Second Bull Run, Antietam, Shepherdstown and Fredericksburg in 1862. The following year the unit served at Gettysburg and in the Bristoe and Mine Run campaigns. The battery fought in the Overland campaign and at the Siege of Petersburg in 1864. It surrendered at Appomattox in April 1865.
The Madison Louisiana Light Artillery was a Louisiana artillery unit that fought in the Confederate States Army during the American Civil War. Formed as an infantry company, it arrived in the Eastern Theater in May 1861 and was converted to an artillery battery in August. The unit was armed with six guns in 1861, but by September 1862, it had only four guns. It served at Garnett's and Golding's Farm, Savage's Station, Second Bull Run, Antietam, and Fredericksburg in 1862. The battery fought at Chancellorsville and Gettysburg and in the Knoxville campaign in 1863. The Madison Light Artillery served in the Overland campaign and at the Siege of Petersburg in 1864. The unit surrendered at Appomattox in April 1865.
United States 