Men's Junior Volleyball World Championship was created in 1977.
World Junior Chess Championship was created in 1951.
Girls Youth Volleyball World Championship was created in 1989.
Boys Youth Volleyball World Championship was created in 1989.
Team Speedway Junior World Championship was created in 2005.
Individual Speedway Junior World Championship was created in 1977.
the hockey world junior championship was founded in 1974.
1977
Ufa, Russia
yes
World Doubles Championship was created in 1982.
Ironman World Championship was created in 1978.
World Championship Poker was created in 2005.