the little league baseball world series is an annual baseball tournament in the eastern united states (held in williamsport, pa) for children (typically boys) aged 10 to 12 years old. originally called the national little league tournament, it was later renamed for the world series in major league baseball. the series was first held in 1947 and is held every august in south williamsport, pennsylvania. (although the postal address of the organization is in williamsport, the series itself is played at howard j. lamade stadium and volunteer stadium at the little league headquarters complex in south williamsport.)