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.
Biathlon World Championships was created in 1958.
Bandy World Championships was created in 1957.
World Conker Championships was created in 1965.
Nintendo World Championships was created in 1990.
FIBT World Championships was created in 1930.
World Rowing Junior Championships was created in 1967.
World Figure Skating Championships was created in 1896.
IPC Athletics World Championships was created in 1994.
World Amateur Boxing Championships was created in 1974.