The 1955 Pan American Games opened on March 12, 1955, in the University Stadium in Mexico City, Mexico, in front of a capacity crowd of 100,000 spectators.
A total of 2,583 athletes from 22 nations marched in review and formed ranks upon the... Wikipedia
Dates: Mar 12, 1955 – Mar 26, 1955
Athletes: 2,583
Host: Mexico City, Mexico
Nations: 22
Opening: March 12