1961
Germany, October 16 - 21, 1961
Italy, August 20 - September 3, 1961
Switzerland, July 19 - 30, 1961
Spain, July 8 - 17, 1961
Germany, June 23 - July 4, 1961
France, May 3 - 18, 1961
Spain, April 9 - 16, 1961
Germany, April 1 - 2, 1961
Italy, January 1 - 2, 1961
Mexico, January 1 - 2, 1961
Italy, January 1 - 2, 1961