Also called A Gathering of the Tribes, it was a high point of the outdoor free concerts in San Francisco, with about 20,000 in attendance. The rest of the world soon caught on and spoiled the scene with media attention and an influx of unhip people.
Polo Field, Golden Gate Park, San Francisco, 1/14/67
Quicksilver Messenger Service
Country Joe & The Fish
also on this day in history...