• Ireland
    3 June 1955
  • West Germany
    3 June 1955
  • USA
    19 June 1955
  • Spain
    14 May 1956
    (Madrid)
  • Finland
    13 July 1956
  • Denmark
    1 October 1956
  • Japan
    27 November 1956
  • Sweden
    10 December 1956