History of the Ontario Hockey League (original) (raw)

In 1970, the Junior A level was divided into two more levels, Tier I (Major Junior A) and Tier II (Minor Junior A). In 1974, the "Major Junior A" division of the OHA became the Ontario Major Junior Hockey League (OMJHL) and began to operate independently of the OHA. Finally in 1980, the OMJHL became the Ontario Hockey League.