Jon Wiederhorn

On Sept. 28, 1978, Black Sabbath released 'Never Say Die!,' their final album with Ozzy Osbourne for three decades.

One of metal's most important albums.

On Sept. 17, 1991, Ozzy Osbourne reached a career turning point with his solo disc 'No More Tears.'

Mötley Crüe were unapologetically obsessed with crafting the kind of sticky, sleazy hard rock that defined MTV hair metal.

On Aug. 11, 2011, Warrant frontman Jani Lane was found dead in a hotel in Woodland Hills, California.

Black Sabbath, with Ronnie James Dio back in the band, released their 'Dehumanizer' album on June 22, 1992.

The first album after Ronnie James Dio was kicked out of Black Sabbath.

Ozzy and Sharon Osbourne were sent fleeing from their Buckinghamshire estate due to a fire in 2005.

In 1982, he was banned for the next decade.

On Feb. 18, 1974, KISS arrived on the scene with their self-titled debut album.

Nothing has been the same since Feb. 13, 1970.

Is it their best? The debate rages on...