World Amateur Boxing Championships was created in 1974.
yes, world championships, and the Olympics
Bandy World Championships was created in 1957.
World Rowing Championships was created in 1962.
FIBT World Championships was created in 1930.
World Sauna Championships was created in 1999.
Biathlon World Championships was created in 1958.
World Conker Championships was created in 1965.
Nintendo World Championships was created in 1990.
Boxing World Cup was created in 2005.
World Rowing Junior Championships was created in 1967.
World Mountain Running Championships was created in 1985.
IPC Athletics World Championships was created in 1994.