Conversation so far:
Why was Chamberlin known for this?
Chamberlain became most famous for his achievements during the Battle of Gettysburg.
What happened to him during the battle?
Union forces were recovering from initial setbacks and hastily regrouping into defensive positions on a line of hills south of the town.
Where was he moved to?
Chamberlain's brigade, commanded by Col.
Strong Vincent, was sent to defend Little Round Top by the army's Chief of Engineers, Brig.
Gen.
Gouverneur K.
Warren.
What happened to these men?
He quickly understood the strategic significance of the small hill, and the need for the 20th Maine to hold the Union left at all costs.

Question: Who atacked his men?
Self-contained rewrite: Who attacked Chamberlain's men during the Battle of Gettysburg?