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

The assassination of Robert Kennedy was another tragic incident in a year marked with unrest.

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.