The 2,600-year-old Cyrus Cylinder is on five-city tour of U.S . And an invitation from China to a U.S. national ping pong team in the early 1970s led to President Richard Nixon 's visit in 1972 -- the first by a U.S. president since the Communist takeover in 1949 . The clay cylinder is a declaration of freedom and coexistence from Persian King Cyrus . Iran says the document was written by Cyrus in his own hand, but it has been disputed since its discovery in ancient Persia more than 2,000 years ago.
The 2,600-year-old Cyrus Cylinder is on five-city tour of U.S . The clay cylinder is a declaration of freedom and coexistence from Persian King Cyrus . Iran says the document was written by Cyrus in his own hand, but it has been disputed since its discovery in ancient Persia more than 2,000 years ago.