Timeline of heavy metal and hard rock music

This is a timeline of heavy metal or hard rock, from its beginning in the late 1960s to the present time.

Note: The 13th Floor Elevators coined the term "psychedelic rock" in 1966, the first band ever referred to as psychedelic rock.

UK Chart information courtesy of the book Guinness Hits of the 80s

Album Chart Information courtesy of the book Guinesss Hits Of The 80s

UK Chart Info courtesy of the book Guinness Hits of the 80s

Def Leppard Pour Some Sugar On Me