EmperorTigerstar created a fascinating visualization showing how the front lines of the American Civil War changed every day, from the secession of the Confederacy until their surrender, reuniting with the Union.
Maroon = Confederate States of America and territories
Red = Areas occupied by Confederate forces
Pink = Gains for that Day
Dark Blue = United States of America and territories
Blue = Areas occupied by Union forces.
Light blue = Gains for that day
Yellow = Border states / disputed areas.