March 25, 1862 – Federals advanced deep into western Tennessee this month as Confederates gathered in northern Mississippi to counterattack. By this month, the Confederate

Exploring the most important 55 months in American history
March 25, 1862 – Federals advanced deep into western Tennessee this month as Confederates gathered in northern Mississippi to counterattack. By this month, the Confederate
March 3, 1862 – Major General Henry W. Halleck received authorization to remove Major General Ulysses S. Grant from command after Halleck alleged that Grant
February 16, 1862 – Federals scored their greatest victory of the war up to this time, generating a new northern military hero. Late on the
February 15, 1862 – The Confederates tried breaking out of the Federal grip around Fort Donelson before deciding on whether to surrender. Brigadier General Ulysses
February 6, 1862 – Federals captured a key point on the Tennessee River that opened a path to invade Tennessee. On the 5th, Brigadier General
February 1, 1862 – The Federal invasion of Tennessee began with a joint army-navy operation against Fort Henry on the Tennessee River. Flag Officer Andrew