Hello, I'm an expert in cultural events and music history. Woodstock, officially known as the Woodstock Music & Art Fair, was a seminal moment in music history that took place over the course of four days, from August 15 to August 18, 1969. The event was held on Max Yasgur's 600-acre dairy farm in Bethel, New York, and it featured a diverse lineup of musical acts that would come to define a generation.

Now, to answer your question in English and then translate it into Chinese:

The Woodstock festival lasted for four days, from August 15 to August 18, 1969.

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On this day in 1969, the grooviest event in music history--the Woodstock Music Festival--draws to a close after three days of peace, love and rock 'n' roll in upstate New York.read more >>