The iconic music festival on August 15th, 1969, brought huge crowds and groundbreaking performances. But it almost never happened.

Find out more about the huge - and hugely influential - generation of Americans born during the post-World War II period between 1946 and 1964.

Manson took to a life of crime early on in life. He spent 17 years in jails, reformatories and prisons for various crimes, such as forging government checks, stealing and violent acts.

Charles Manson and three female members of his "family" (Leslie Van Houten, Susan Atkins, and Patricia Krenwinkel) are escorted down the halls of a courthouse after receiving guilty verdicts on multiple counts of murder in one of the most shocking cases in history.