World Polo Championship was created in 1987.
Russian Women's Water Polo Championship was created in 1992.
World Pizza Championship was created in 1991.
FIVB World Championship was created in 1949.
World Championship Wrestling was created in 1982.
World Lacrosse Championship was created in 1967.
World Championship Poker was created in 2005.
World Doubles Championship was created in 1982.
World Championship Tennis was created in 1968.
Brompton World Championship was created in 2006.
Ironman World Championship was created in 1978.
News of the World Championship was created in 1950.
World Chess Championship was created in 1886.