Jim Morrison "exposes" himself in Miami (he didn't), which begins the downfall to one of the greatest rock and roll bands ever. The Doors release their weakest album with Morrison (The Soft Parade) as well.
Woodstock
The Beatles give their last live performance
Man lands on the Moon
Ted Kennedy ruins his chance at ever running for higher office
President Richard Nixon begins his term in office, perhaps one of the most misunderstood and hated leaders in our history. This year there is the Nixon Doctrine, the first withdrawals of troops from Vietnam, but the draft is reinstated. He also gives perhaps his most successful speech, "the great silent majority."
Hell of a year, wish I was around