American Civil War

The War Begins

Battles of the American Civil War by Theater, YearLincoln's victory in the presidential election of 1860 triggered South Carolina's secession from the Union. By February 1861, six more Southern states had seceded. On February 7, the seven states adopted a provisional constitution for the Confederate States of America and established their capital at Montgomery, Alabama. The pre-war February peace conference of 1861 met in Washington, as one last attempt to avoid war; it failed. The remaining southern states as yet remained in the Union. Confederate forces seized all but three federal forts within their boundaries (they did not take Fort Sumter); President Buchanan made no military response, but governors in Massachusetts, New York and Pennsylvania began secretly buying weapons and training militia units to ready them for immediate action.

On April 12, Confederate soldiers fired upon the Federal troops stationed at Fort Sumter in Charleston, South Carolina, until the troops surrendered. Lincoln called for all of the states in the Union to send troops to recapture the forts and preserve the Union. Most Northerners hoped that a quick victory for the Union would crush the nascent rebellion, and so Lincoln only called for volunteers for 90 days. Four states, Tennessee, Arkansas, North Carolina, and—most importantly, Virginia—which had repeatedly rejected Confederate overtures now decided that they could not send forces against the seceding states. They seceded and to reward Virginia the Confederate capital was moved to Richmond, Virginia, a highly vulnerable location at the end of the supply line.

Even though the Southern states had seceded, there was considerable anti-secessionist sentiment in certain scattered localities in the seceding states. Eastern Tennessee, in particular, was a hotbed for pro-Unionism. Winston County, Alabama issued a resolution of secession from the state of Alabama. The Red Strings were a prominent Southern anti-secession group.

Winfield Scott, the commanding general of the U.S. Army, devised the Anaconda Plan to win the war with as little bloodshed as possible. His idea was that a Union blockade of the seacoast would strangle the rebel economy, then capture of the Mississippi would split the South. Lincoln adopted the plan but overruled Scott's warnings against an immediate attack on Richmond.

Naval war and blockade

For more details on this topic, see Naval Battles of the American Civil War.Union blockade and Confederate States Navy
In May 1861 Lincoln proclaimed the Union blockade of all southern ports, which shut down nearly all international traffic and most local port-to-port traffic. Although few naval battles were fought and few men were killed, the blockade shut down King Cotton and ruined the southern economy. British investors built small, very fast "blockade runners" that brought in military supplies (and civilian luxuries) from Cuba and the Bahamas and took out some cotton and tobacco. When the blockade captured one the ship and cargo were sold and the proceeds given to the Union sailors. The crews were British, so when they were captured they were released and not held as prisoners of war. The most famous naval battle was the Battle of Hampton Roads (often called "the Battle of the Monitor and the Merrimac") in March 1862, in which Confederate efforts to break the blockade were frustrated. Other naval battles included Island No. 10, Memphis, Drewry's Bluff, Arkansas Post, and Mobile Bay.

Eastern Theater 1861–1863

For more details on this topic, see Eastern Theater of the American Civil War.
Because of the fierce resistance of a few initial Confederate forces at Manassas, Virginia, in July 1861, a march by Union troops under the command of Maj. Gen. Irvin McDowell on the Confederate forces there was halted in the First Battle of Bull Run, or First Manassas, whereupon they were forced back to Washington, D.C., by Confederate troops under the command of Generals Joseph E. Johnston and P.G.T. Beauregard. It was in this battle that Confederate General Thomas Jackson received the name of "Stonewall" because he stood like a stone wall against Union troops. Alarmed at the loss, and in an attempt to prevent more slave states from leaving the Union, the U.S. Congress passed the Crittenden-Johnson Resolution on July 25 of that year, which stated that the war was being fought to preserve the Union and not to end slavery.

Major General George B. McClellan took command of the Union Army of the Potomac on July 26 (he was briefly general-in-chief of all the Union armies, but was subsequently relieved of that post in favor of Maj. Gen. Henry W. Halleck), and the war began in earnest in 1862.

Upon the strong urging of President Lincoln to begin offensive operations, McClellan invaded Virginia in the spring of 1862 by way of the peninsula between the York River and James River, southeast of Richmond. Although McClellan's army reached the gates of Richmond in the Peninsula Campaign, Joseph E. Johnston halted his advance at the Battle of Seven Pines, then Robert E. Lee defeated him in the Seven Days Battles and forced his retreat. McClellan was stripped of many of his troops to reinforce John Pope's Union Army of Virginia. Pope was beaten spectacularly by Lee in the Northern Virginia Campaign and the Second Battle of Bull Run in August.

Confederate dead behind the stone wall of Marye's Heights, Fredericksburg, Virginia, killed during the Battle of Chancellorsville, May 1863.Emboldened by Second Bull Run, the Confederacy made its first invasion of the North, when General Lee led 55,000 men of the Army of Northern Virginia across the Potomac River into Maryland on September 5. Lincoln then restored Pope's troops to McClellan. McClellan and Lee fought at the Battle of Antietam near Sharpsburg, Maryland, on September 17, 1862, the bloodiest single day in American history. Lee's army, checked at last, returned to Virginia before McClellan could destroy it. Antietam is considered a Union victory because it halted Lee's invasion of the North and provided justification for Lincoln to announce his Emancipation Proclamation.

When the cautious McClellan failed to follow up on Antietam, he was replaced by Maj. Gen. Ambrose Burnside. Burnside suffered near-immediate defeat at the Battle of Fredericksburg on December 13, 1862, when over ten thousand Union soldiers were killed or wounded. After the battle, Burnside was replaced by Maj. Gen. Joseph "Fighting Joe" Hooker. Hooker, too, proved unable to defeat Lee's army; despite outnumbering the Confederates by more than two to one, he was humiliated in the Battle of Chancellorsville in May 1863. He was replaced by Maj. Gen. George G. Meade during Lee's second invasion of the North, in June. Meade defeated Lee at the Battle of Gettysburg (July 1–3, 1863), the largest battle in North American history, which is sometimes considered the war's turning point. Lee's army suffered 28,000 casualties (versus Meade's 23,000), again forcing it to retreat to Virginia, never to launch a full-scale invasion of the North again. Lincoln was angry that Meade failed to intercept Lee's retreat, and decided to turn to the Western Theater for new leadership.

On the use of balloons, see Aerial warfare section on the American Civil War.

Western Theater 1861–1863

For more details on this topic, see Western Theater of the American Civil War.
While the Confederate forces had numerous successes in the Eastern theater, they crucially failed in the West. They were driven from Missouri early in the war as result of the Battle of Pea Ridge. Leonidas Polk's invasion of Kentucky enraged the citizens there who previously had declared neutrality in the war, turning that state against the Confederacy.

Nashville, Tennessee, fell to the Union early in 1862. Most of the Mississippi was opened with the taking of Island No. 10 and New Madrid, Missouri, and then Memphis, Tennessee. New Orleans, Louisiana, was captured in May 1862, allowing the Union forces to begin moving up the Mississippi as well. Only the fortress city of Vicksburg, Mississippi, prevented unchallenged Union control of the entire river.

The one clear Confederate victory in the West was the Battle of Chickamauga in Georgia, near the Tennessee border, where Bragg, reinforced by the corps of James Longstreet (from Lee's army in the east), defeated Rosecrans, despite the heroic defensive stand of George Henry Thomas, and forced him to retreat to Chattanooga, which Bragg then besieged.

The Union's key strategist and tactician in the west was Maj. Gen. Ulysses S. Grant, who won victories at: Forts Henry and Donelson, by which the Union seized control of the Tennessee and Cumberland Rivers; Shiloh; the Battle of Vicksburg, cementing Union control of the Mississippi River and considered one of the turning points of the war; and the Battle of Chattanooga, Tennessee, driving Confederate forces out of Tennessee and opening an invasion route to Atlanta and the heart of the Confederacy.

Trans-Mississippi Theater 1861–1865

For more details on this topic, see Trans-Mississippi Theater of the American Civil War.
Though geographically isolated from the battles to the east, a number of small-scale military actions took place west of the Mississippi River. Confederate incursions into Arizona and New Mexico were repulsed in 1862. Guerilla activity turned much of Missouri and Indian Territory (Oklahoma) into a battleground. Late in the war the Federal Red River Campaign was a failure. Texas remained in Confederate hands throughout the war, but was cut off after the capture of Vicksburg in 1863 gave the Union control of the Mississippi River.

End of the War 1864–1865

Jefferson Davis, first and only President of the Confederate States of AmericaAt the beginning of 1864, Lincoln made Grant commander of all Union armies. Grant made his headquarters with the Army of the Potomac, and put Maj. Gen. William Tecumseh Sherman in command of most of the western armies. Grant understood the concept of total war and believed, along with Lincoln and Sherman, that only the utter defeat of Confederate forces and their economic base would bring an end to the war. He devised a coordinated strategy that would strike at the heart of Confederacy from multiple directions: Generals Grant, Meade, and Benjamin Butler would move against Lee near Richmond; General Franz Sigel (and later Philip Sheridan) would invade the Shenandoah Valley; General Sherman would and capture Atlanta and march to the sea; Generals George Crook and William W. Averell would operate against railroad supply lines in West Virginia; and General Nathaniel Banks would capture Mobile, Alabama.

Union forces in the East attempted to maneuver past Lee and fought several battles during that phase ("Grant's Overland Campaign") of the Eastern campaign. An attempt to outflank Lee from the south failed under Butler, who was trapped inside the Bermuda Hundred river bend. Grant was tenacious and, despite astonishing losses (over 66,000 casualties in six weeks), kept pressing Lee's Army of Northern Virginia back to Richmond. He pinned down the Confederate army in the Siege of Petersburg, where the two armies engaged in trench warfare for over nine months.

Grant finally found a commander, General Philip Sheridan, aggressive enough to prevail in the Valley Campaigns of 1864. Sheridan proved to be more than a match for Jubal Early, and defeated him in a series of battles, including a final decisive defeat at Cedar Creek, Sheridan then proceeded to destroy the agricultural base of the Valley, a strategy similar to the tactics Sherman would later employ in Georgia.

Meanwhile, Sherman marched from Chattanooga to Atlanta, defeating Confederate Generals Joseph E. Johnston and John B. Hood. The fall of Atlanta, on September 2, 1864, was a significant factor in the re-election of Abraham Lincoln, as President of the Union. Leaving Atlanta, and his base of supplies, Sherman's army marched with an unclear destination, laying waste to about 20% of the farms in Georgia in his celebrated "March to the Sea", and reaching the Atlantic Ocean at Savannah, Georgia in December 1864. Burning plantations as they went, Sherman's army was followed by thousands of freed slaves. When Sherman turned north through South Carolina and North Carolina to approach the Virginia lines from the south, it was the end for Lee and his men, and shortly thereafter, for the Confederacy.

Lee attempted to escape from the besieged Petersburg and link up with Johnston in North Carolina, but he was overtaken by Grant's better rested and equiped army. Consequently, Lee surrendered his Army of Northern Virginia on April 9, 1865, at Appomattox Court House. In an untraditional gesture and as a sign of Lincoln's respect and anticipation of folding the Confederacy back into the Union with dignity and peace, Lee was permitted to keep his officer's sabre and his near-legendary horse, Traveler. Upon emerging from the surrender, Lee - clearly melancholy - was greeted with respectful salutations by the Union troops. Johnston surrendered his troops to Sherman shortly thereafter in Durham, North Carolina at a family farmhouse known as Bennett Place. The Battle of Palmito Ranch, fought on May 13, 1865, in the far south of Texas, was the last Civil War land battle and ended, ironically, with a Confederate victory. All Confederate land forces surrendered by June 1865.

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