Wikipedia: Monterey Pop Festival
Took place from June 16 to June 18, 1967. Over 200,000 people attended, and it is often regarded as the precursor to Woodstock.
en.wikipedia.org/wiki/Monterey_Pop_Festival
The Monterey County Herald: Monterey Pop Festival
From the online edition of The Monterey County Herald. Features articles, personal recollections, as well as audio-visual reflection on the 1967 Monterey Pop Festival.
www.montereyherald.com/popfestival