John F. Kennedy Center for the Performing Arts
The first performance was September 5, 1971, with a premiere of Leonard Bernstein's Mass in the Opera House.  The Center officially opened on September 8, 1971, with a formal gala and premiere performance of the Bernstein Mass. The Concert Hall was first used on September 9, 1971, and the Eisenhower Theater was first used on October 18, 1971.