Jon Wiederhorn

The end of Dave Mustaine's stay in Metallica came on April 11, 1983, and it came without warning.

The album represented a major shift toward the progressive side.

Get the story behind the album.

Get the history behind these two tragedies.

Here's how it happened.

On March 21, 2000, Pantera released what would be their final studio album, 'Reinventing the Steel.'

On Feb. 28, 2000, AC/DC reunited with producer George Young and delivered their 'Stiff Upper Lip' album.

On Feb. 24, 1994, Cradle of Filth released their debut album, 'The Principle of Evil Made Flesh.'

On Feb. 25, 1992, Pantera changed the course of heavy metal with the release of 'Vulgar Display of Power.'

On Feb. 20, 1996, Sepultura unleashed their percussive-driven metal masterpiece 'Roots.'

On Dec. 3, 1983, Slayer started their legendary metal career with the release of their debut album, 'Show No Mercy.'

On Dec. 3, 2015, iconic Stone Temple Pilots singer Scott Weiland died of a drug overdose while on tour with Scott Weiland and the Wildabouts.