World Amateur Boxing Championships was created in 1974.
yes, world championships, and the Olympics
World Rowing Championships was created in 1962.
Bandy World Championships was created in 1957.
World Sauna Championships was created in 1999.
FIBT World Championships was created in 1930.
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 Wheelchair Rugby Championships was created in 1995.
IPC Athletics World Championships was created in 1994.
World Youth Netball Championships was created in 1988.