(At the start of the attack on Fort Donelson, Wallace was a brigade commander in reserve at Fort Henry, but was summoned on February 14 and charged with assembling a new division that included reinforcements arriving by steamship, including Charles Cruft's brigade on loan from Buell.)
(Wallace var reservebrigadekommandør under slaget om Fort Henry, men blev tilkaldt til Fort Donelsen den 14. februar og fik til opgave at opstille en ny division, som blandt andet omfattede forstærkninger, som ankom med dampskib, inklusiv en brigade til låns fra Don Carlos Buell).