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
19
IIHF WORLD U20 CHAMPIONSHIP (For the previous responder, the Calder Trophy is awarded annually to the NHL rookie of the year and has nothing to do with the IIHF or junior hockey.)
FIVB World Championship was created in 1949.
World Championship Poker was created in 2005.