General-in-Chief George B. McClellan develops a plan of attack and defends his military secrecy to increasingly skeptical politicians and subordinates.
Desperate for action, Abraham Lincoln calls a meeting of the Army of the Potomac’s top brass without General-in-Chief George B. McClellan.
News of the previous day’s Confederate victory at Bull Run prompts celebrations in the South and depression in the North.
The battle that many hoped would end the war takes place in northern Virginia near a stream named Bull Run.
The Federal army reaches Centreville in northern Virginia, while Joseph E. Johnston’s Confederates slip out of the Shenandoah Valley undetected and head east.
The largest army ever assembled in North America went into motion at 2 p.m., starting the great campaign that many hoped would end the war.