The world's first retractable roof stadium, the Civic Arena, opens in Pittsburgh, Pennsylvania.

Civic Arena (Pittsburgh)

Arena in Pittsburgh

The Civic Arena, formerly the Civic Auditorium and later Mellon Arena, was an arena located in Downtown Pittsburgh, Pennsylvania. The Civic Arena primarily served as the home to the Pittsburgh Penguins, the city's National Hockey League (NHL) franchise, from 1967 to 2010.