Robert E. Lee’s Confederate Army of Northern Virginia begins crossing the Potomac River into Maryland to take the war to the North for the first time.
Exploring the most important 55 months in American history
Robert E. Lee’s Confederate Army of Northern Virginia begins crossing the Potomac River into Maryland to take the war to the North for the first time.
The Confederate incursion into Kentucky continues, with Edmund Kirby Smith’s forces taking Lexington and the state capital of Frankfort.
With the Federals badly demoralized in and around Washington, Abraham Lincoln reluctantly restores George B. McClellan to overall command.
The Federal armies outside Washington suffer from demoralization following military failure, with many blaming George B. McClellan for not doing enough to help in the crisis.
A vicious fight in driving rain ends the Second Bull Run campaign with John Pope’s Federal Army of Virginia still intact but thoroughly defeated by Robert E. Lee’s Confederate Army of Northern Virginia.