Conversation so far:
When did W. H. Auden go to the United States?
In 1939, W. H. Auden moved to the United States and became an American citizen in 1946.
What did W. H. Auden have to do with the United States?
W. H. Auden taught from 1941 to 1945 in American universities.
What state was W. H. Auden in when he taught in American universities from 1941 to 1945?
From 1940 to 1941, W. H. Auden lived in a house at 7 Middagh Street in Brooklyn Heights in New York City, New York.
Are there any other interesting aspects about the W. H. Auden article besides his time in the United States?
W. H. Auden controversially rewrote or discarded some of his most famous poems when he prepared his later collected editions.

Question: What is a poem that he discarded or rewrote?
Self-contained rewrite: What is a poem that W. H. Auden discarded or rewrote?