A drastic relaxation in general standards of sexual behavior. The most recent occurred in the 1960s and was helped by the introduction of the Pill, an easy and reliable method of preventing pregnancy.
The sexual revolution began in the 1950s and continued to unfold in the '60s and '70s.
The sexual revolution helped usher in gender equality not simply in the bedroom but in the workplace and everywhere else too.
Then, the sexual revolution exploded and women left their tops in the sand altogether.
Other identities are revealed through depictions of the sexual revolution and drug cultures that started in the 1960s.
Clearly the extent of the sexual revolution in the 1960s has been widely exaggerated.
I guess the sexual revolution allowed us to feel comfortable leaving our houses looking like Seth Rogen once we've bred.
Forty years later, Lovelace, who died in a car accident in 2002, is still a household name, an icon of the sexual revolution.
He spoke with Olivia Cole about the recent British election, his take on the sexual revolution, and the awfulness of the press.
Stemming from the sexual revolution of the 1960s, the cult of nudity entered its golden age in the 1990s.
But contrary to popular belief, the pill was not solely responsible for the sexual revolution.