Conversation so far:
What is The Love Song of J. Alfred Prufrock for T.S. Eliot?
The Love Song of J. Alfred Prufrock, commonly known as Prufrock, is the first professionally published poem by American-born British poet T. S. Eliot.
What is interesting about the poem The Love Song of J. Alfred Prufrock by T. S. Eliot?
Seen as heralding a paradigmatic cultural shift from late 19th-century Romantic verse and Georgian lyrics to Modernism.
How is the poem The Love Song of J. Alfred Prufrock by T. S. Eliot written?
The poem's structure was heavily influenced by Eliot's extensive reading of Dante Alighieri and makes several references to the Bible and other literary works.

Question: When was the poem written?
Self-contained rewrite: When was the poem The Love Song of J. Alfred Prufrock by T. S. Eliot written?