Burnside's Raid was a military operation during the American Civil War, conducted in December 1862. Led by Union General Ambrose Burnside, the goal was to capture the Confederate capital of Richmond, Virginia by crossing the Rappahannock River and advancing through Fredericksburg. The raid faced significant challenges, including poor weather and logistical issues. The Union forces encountered strong resistance from Confederate troops under General Robert E. Lee, resulting in a decisive Confederate victory at the Battle of Fredericksburg. This defeat highlighted the difficulties the Union faced in their campaign against the Confederacy.