The Battle of Fredericksburg occurred as part of the Union Army of the Potomac's strategic campaign to capture the Confederate capital of Richmond. Major General Ambrose Burnside planned to cross the Rappahannock River at Fredericksburg in mid-November 1862 and race to Richmond before General Robert E. Lee's Army of Northern Virginia could mount an effective defense. However, the Union advance was delayed when Burnside failed to receive necessary pontoon bridges in time, allowing Lee to move his army into position to block the crossings and prepare defensive fortifications.
The battle was fought December 11–15, 1862, in and around Fredericksburg, Virginia, in the Eastern Theater of the American Civil War. On December 11–12, Union forces conducted bombardment operations, and when the Army of the Potomac finally constructed bridges and crossed the Rappahannock under Confederate fire, direct combat ensued within the city itself. The main phase of the battle occurred on December 13, when Union forces launched futile frontal attacks against entrenched Confederate lines. These attacks focused on a prominent defensive position that became known as the 'sunken wall' on the heights overlooking Fredericksburg.
The battle resulted in a decisive Confederate victory and stands as one of the most one-sided engagements of the Civil War. Union casualties were more than twice as heavy as those suffered by the Confederates, demonstrating the effectiveness of Lee's defensive positioning and Burnside's tactical failures. The severity of the Union defeat was so profound that a visitor to the battlefield described the fighting to President Abraham Lincoln as a 'butchery,' capturing the one-sided nature of the combat and the heavy toll on Union soldiers.
The American Civil War (1861–1865) was the deadliest conflict in American history, killing an estimated 620,000 to 750,000 soldiers and an unknown number of civilians. The Confederate States of America, formed by eleven seceding Southern states, faced the Union in four years of warfare across 23 states and territories. Major engagements included First and Second Bull Run, Antietam (the bloodiest single day in American history, September 17, 1862), Chancellorsville, Gettysburg (July 1–3, 1863), Vicksburg (surrendered July 4, 1863), and Sherman's March through Georgia and the Carolinas (1864–1865). President Lincoln issued the Emancipation Proclamation on January 1, 1863, transforming the war's stated purpose to include the abolition of slavery and enabling the enlistment of approximately 180,000 Black men in the United States Colored Troops. Confederate General Robert E. Lee surrendered to Ulysses S. Grant at Appomattox Court House on April 9, 1865. The war resolved the question of secession and ended American slavery, though Reconstruction would face sustained resistance in its attempt to secure civil rights for formerly enslaved people.
Civilian casualties unknown; military: ~100
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