Sherman's March to the Sea was a military campaign of the American Civil War conducted through Georgia from November 15 until December 21, 1864, by William Tecumseh Sherman, major general of the Union Army. The campaign began on November 15 with Sherman's troops leaving Atlanta, recently taken by Union forces, and ended with the capture of the port of Savannah on December 21. His forces followed a "scorched earth" policy, destroying military targets as well as industry, infrastructure, and civilian property, disrupting the Confederacy's economy and transportation networks. The operation debilitated the Confederacy and helped lead to its eventual surrender. Sherman's decision to operate deep within enemy territory without supply lines was unusual for its time, and the campaign is regarded by some historians as an early example of modern warfare or total war.

A scorched-earth policy is a military strategy of destroying everything that allows an enemy military force to be able to fight a war, including the deprivation and destruction of water, food, humans, animals, plants and any kind of tools and infrastructure. Its use is possible by a retreating army to leave nothing of value worth taking, to weaken the attacking force or by an advancing army to fight against unconventional warfare.