July 28, 1973 –
Bill Graham produced the Summer Jam at Watkins Glen Rock Festival at the Watkins Glen International Raceway, that featured the Allman Brothers, the Band, and the Grateful Dead. The concert was estimated to have drawn some 650,000 people,
The concert drew some 650,000 people, the single largest paying crowd in concert history.
The Haus of Dcaligari 