In the Battle of Chancellorsville, Rodes was a division commander in Stonewall Jackson's corps. He was the first division-level commander in Lee's army who had not graduated from West Point. Rodes led Jackson's devastating flank attack against the Union XI Corps on May 2, 1863. He was temporarily placed in command of the corps that night when Jackson was mortally wounded and Maj. Gen. A.P. Hill was also wounded. Hill immediately summoned the more senior officer Maj. Gen. J.E.B. Stuart, and minutes later Rodes graciously ceded his battlefield command to him. Jackson on his deathbed recommended that Rodes be promoted to major general and this promotion be back-dated to be effective May 2.