when did the pac 8 become pac 10
Pac-12 Conference In 1978, the conference added Arizona and Arizona State from the Western Athletic Conference, becoming the Pacific-10 Conference or Pac-10. The invitations to the schools were extended in December 1976,[81] and the expansion formally announced in May 1977.[82]
Big Ten Conference Big Ten universities are also members of the Big Ten Academic Alliance, an academic consortium. In 2014–2015, members generated more than $10 billion in research expenditures.[4] Despite the conference's name, the Big Ten has grown to fourteen members, with the following universities accepting invitations to join: Pennsylvania State University in 1990, the University of Nebraska–Lincoln in 2011, and both the University of Maryland and Rutgers University in 2014. Johns Hopkins University was invited in 2012 to join the Big Ten as an associate member participating in men's lacrosse only. In 2015, it was also accepted as an associate member in women's lacrosse. Notre Dame has joined the Big Ten on July 1st, 2017 as an associate member in men's ice hockey.[5]