When the Confederacy fired the first shots of the Civil War at Fort Sumter, South Carolina, on April 12, 1861, Gordon Granger was on leave from the Union Army.Granger took time off because he was ill. But once hostilities broke out, Granger soon returned to uniform and later distinguished himself, both as a soldier and officer, during the Civil War.Also Read: How John Brown’s raid on the arsenal at Harper’s Ferry made the Civil War inevitable“To…