Question: when did the united states join the berne convention?
Answer: In accordance with Article 29(2)(a) of the Berne Convention, as revised at Paris on July 24, 1971, and amended on October 2, 1979, the said Convention will enter into force, with respect to the United States of America, on the date indicated in the said instrument of accession, that is, on March 1, 1989.