World Sauna Championships was created in 1999.
The World Sauna Championships ended in 2010 after a tragic incident in which a competitor died from severe burns. The incident led to the event being canceled and ultimately discontinued.
Sauna World Championships are held in Finland, not Sweden. Swedish sauna is about 60 degrees colder than the Finnish sauna.
World Rowing Championships was created in 1962.
Bandy World Championships was created in 1957.
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.
World Wheelchair Rugby Championships was created in 1995.
IPC Athletics World Championships was created in 1994.
World Youth Netball Championships was created in 1988.
World Deaf Badminton Championships was created in 2003.