google.com is your friend
"There were 100,000 people in the Athens Olympic Stadium that night in 1934 when Jim Londos defended his world's heavyweight wrestling title against the Russian champion, and another 30,000 were turned away."
"Jim Londos was a World Heavyweight champion for almost 16 years -- mostly in the post-Depression era.."
"1970: President Nixon cited him for his benefit work.."
Yowza, no wonder.