Federals launch their first-ever ironclad warship, thereby changing the course of naval history.
Don Carlos Buell looks to secure eastern Tennessee for the Federals, but weather and a lack of supplies hamper the mission.
Federals and Confederates clash over control of the vital Cumberland Gap on the Confederacy’s fragile defensive line across Kentucky.
Thomas “Stonewall” Jackson’s Confederates seize their objective in Virginia’s Shenandoah Valley, while Frederick Lander is barred from pursuing Jackson’s men.
Abraham Lincoln’s repeated requests for Federal forces to launch an invasion of eastern Tennessee continue to go unheeded, causing great frustration.
General-in-Chief George B. McClellan develops a plan of attack and defends his military secrecy to increasingly skeptical politicians and subordinates.