Conversation so far:
When did Albert Sidney Johnston decide to join the confederacy?
Johnston's appointment as a full general by his friend and admirer Jefferson Davis already had been confirmed by the Confederate Senate on August 31, 1861
Why did Albert Sidney Johnston join the confederacy?
Albert Sidney Johnston heard about the secession of his adopted state of Texas
Where was Albert Sidney Johnston's first battle in the civil war?
His first battle in the Civil War was the Battle of Mill Springs
Was Albert Sidney Johnston's first battle, the Battle of Mill Spring, during the Civil War successful?
No; the Confederates were turned back and routed by a Union bayonet charge, suffering 533 casualties from their force of 4,000

Question: What was his second major battle?
Self-contained rewrite: What was Albert Sidney Johnston's second major battle during the Civil War after the Battle of Mill Springs?