The Woodstock Festival opened in upstate New York, on this date in 1969. Hundreds of thousands of hippies attended the three-day rock music celebration, which was held on Max Yasgur's dairy farm, nearWoodstock, NY. Some 400,000 fans showed up for the rainy three days filled with music, beer and drugs. Some of the performers included Joan Baez, Blood, Sweat and Tears, Jimi Hendrix, Arlo Guthrie, and The Who.