Conversation so far:
What was Abner Doubleday's role in Gettysburg?
At the start of the Battle of Gettysburg, Abner Doubleday's division was the second infantry division on the field to reinforce the cavalry division of Brigadier General Buford.
What side did Abner Doubleday fight on during the American Civil War?
Abner Doubleday (June 26, 1819 – January 26, 1893) was a career United States Army officer and Union major general in the American Civil War.
Who were some of Abner Doubleday's comrades?
When his corps commander, Major General John F. Reynolds, was killed very early in the fighting, Abner Doubleday found himself in command of the corps at 10:50 am.

Question: What were some of his victories in the battle?
Self-contained rewrite: What were some of Abner Doubleday's victories in the Battle of Gettysburg?