Location
The first season featured only Pro Tours in the United States. Beginning in 1996–97 one Pro Tour was held in Europe each season. The first Pro Tour to be held in Asia was the 1999 World Championship in Tokyo. Subsequently the amount of PTs every continent gets has varied, with the United States clearly hosting most Pro Tours, and Asia the least. Of the Asian Pro Tours all but one were held in Japan. The only other continent to ever have a Pro Tour was Australia, hosting the World Championship in 2002.
Read more about this topic: Pro Tour (Magic: The Gathering)