General Sherman's 'March to Sea' refers to the military campaign led by Union General William Tecumseh Sherman from Atlanta to Savannah during the American Civil War, conducted from November 15 to December 21, 1864. This campaign was notable for its use of total war tactics, where Sherman aimed to demoralize the Confederate population and disrupt their economic resources by destroying infrastructure and supplies along the route. It marked a significant shift in warfare, demonstrating the devastating impact of military operations on civilian life and contributing to the eventual Union victory.