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During the Peninsula campaign headed by Union General George B. McClellan, he for some unknown reason decided to lay siege to Confederate troops in Yorktown. On May 3, 1862, commanding Confederate General Joseph Johnston decided to evacuate his troops at Yorktown.
On May 3, 1862, Confederate forces evacuate Yorktown before Union troops overwhelm them. They have delayed McClellan's advance to Richmond by one month. On May 4, Union troops enter the vacated town.
The union troops, were about 90,000 strong.
battle of shiloh
The Union troops were advancing while the Rebel troops were retreating.
ANSWER The battle of Fredericksburg
8,000
The Confederates evacuated Yorktown on May 3, 1862. The II Union Corps occupied Yorktown on May 4th and then went to the pursuit of the retreating Magruder's army.
Are you from Yorktown High School.
There where 18 that particapted
Burnside led the Union troops.
Fredericksburg is the answer.