World Darts Federation was created in 1976.
According to the American Darts Organization the maximum length is 12" (30.5 cm). I assume it's the same elsewhere in the world since the ADO is a member of the World Darts Federation.
PDC World Championship Darts was created in 2007.
World Professional Darts Championship was created in 1978.
on according to the world darts federation one must not have a foot on the oche therefore one must be behind
World Capoeira Federation was created in 2011.
World Archery Federation was created in 1931.
Lutheran World Federation was created in 1947.
World Croquet Federation was created in 1986.
Badminton World Federation was created in 1934.
World Bridge Federation was created in 1948.
World Federation of the Deaf was created in 1951.
World Bodybuilding Federation was created in 1990.