Conversation so far:
What did he do at Fort Henry?
Wallace acted on his own initiative to send Cruft's brigade to reinforce the beleaguered division of Brig.
Gen.
John A.
McClernand, despite orders from Grant.
What else did he do there?
Wallace's decision stopped their forward movement and was key in stabilizing a defensive line for the Union troops.
Did he do anything else there?
Wallace led a counterattack that regained the lost ground on the Union right.
On March 21, 1862.

Question: What did he do at Donelson?
Self-contained rewrite: What did Lew Wallace do at Fort Donelson?