| General George McClellan |
June 25 found the Army of the Potomac fighting General Joseph Johnston south of the Chickahominy, just six miles outside of Richmond in what would be the first of the Seven Days Battles—at the Battle of Oak Grove, also known as King’s School House.
The Seven Days Battles occurred during a time of flux for both
armies. Robert E. Lee found himself at the head of three disparate armies. He
had just assumed command of the Army of Northern Virginia less than a month
before engaging McClellan in the Seven Days Campaign. General John B.
Magruder’s force, formerly the Army of the Peninsula, merged with Lee’s army,
and Stonewall Jackson’s command joined Lee for the campaign.
Worse still, Lee had no experience commanding such a large
force. For him, the Seven Days Battles served as a training ground. The first
day at Oak Grove was bumpy at best, but Lee learned quickly and soon found
himself driving McClellan back.
When Robert E. Lee assumed command of the Army of Northern
Virginia, his men nicknamed him “Granny Lee” because he concentrated all his
efforts on defending Richmond rather than attacking the enemy. That would soon
change. Although it didn’t look like it, Lee had a plan.
“The intention of the enemy seemed to be to attack Richmond by
regular approaches,” said Lee. “The strength of his left-wing rendered a direct
assault injudicious, if not impracticable,” so... I “determined to construct
defensive lines, so as to enable a part of the army to defend the city and the
other part free to cross the Chickahominy and operate on the north bank. By
sweeping down the river on that side and threatening his communications with
York River, it was thought that the enemy would be compelled to retreat or give
battle out of his entrenchments.”