Helsinki, the capital city of Finland, was awarded the rights to host the XII Olympiad in 1940. Unfortunately the games were cancelled (as was the XIII Olympiad due to be held in London in 1944) due to World War II. The stadium was built for the 1940 games but not used for the games until Helsinki hosted the XV Olympiad in 1952. When the war ended, Helsinki did not have sufficient time to organize the XIV Olympiad in 1948 which was held in London.

More Info: www.olympic.org