Conversation so far:
Where was Joshua Chamberlain born?
Joshua Chamberlain was born in Brewer, Maine.
Where did Joshua Chamberlain go to school?
Joshua Chamberlain entered Bowdoin College in Brunswick, Maine, in 1848 with the help of local tutor and professor, William Hyde.
What did Joshua Chamberlain study in college?
Was Joshua Chamberlain married?
Joshua Chamberlain married Fanny Adams, cousin and adopted daughter of a local clergyman, in 1855.
Are there any other interesting aspects about the Joshua Chamberlain article?
Joshua Chamberlain studied for three additional years at Bangor Theological Seminary in Bangor, Maine, returned to Bowdoin, and began a career in education as a professor of rhetoric.
Is there anything interesting about Joshua Chamberlain's early life or education?
Joshua Chamberlain was a member of the Phi Beta Kappa academic honor society and a brother of the Alpha Delta Phi fraternity.

Question: When did he graduate college?
Self-contained rewrite: When did Joshua Chamberlain graduate college?