Conversation so far:
What is the Manchester Guardian?
The Guardian is a British daily newspaper. It was founded in 1821 as The Manchester Guardian, and changed its name in 1959.
What did Arthur Evans write for the Manchester Guardian?
Arthur Evans was a correspondent and was sent to the Balkans in 1877. He reported on the suppression of the Christian insurrectionists by the armed forces of the Ottoman Empire.

Question: When did he start writing?
Self-contained rewrite: When did Arthur start writing for the Manchester Guardian?