The Silverdome refers to the stadium that opened in what year?
Pontiac Silverdome The Pontiac Silverdome, formerly known as the Silverdome, is a stadium in Pontiac, Michigan, United States, which is a suburb of Detroit. It opened in 1975 and sits on 127 acre of land. When the stadium opened, it featured a fiberglass fabric roof held up by air pressure, the first use of the technique in a major athletic facility. The roof has since been destroyed. With a seating capacity of 82,000, it was the largest stadium in the National Football League (NFL) until FedExField (91,000 capacity) in suburban Washington, D.C., opened in 1997.
Sam Houston Coliseum Sam Houston Coliseum was an indoor arena located in Houston, Texas. It was located at 801 Bagby Street near downtown. The arena opened in November 1937 (demolished 1998) and had a capacity of 9,200. It was built in conjunction with the Houston Music Hall, which was adjacent to the Coliseum. The Coliseum and Music Hall complex replaced the Sam Houston Hall, which was a wooden structure that had been erected on the site for the 1928 Democratic National Convention and torn down in 1936.