Since I was not alive for most of the 70s, I could use some help populating the following timeline:
1970
Paranoid – Black Sabbath
Bridge over Troubled Water – S & G
Let it Be – the Beatles
Led Zeppelin III – Led Zeppelin
1971
Led Zeppelin IV – Led Zeppelin
Sticky Fingers – Rolling Stones
Imagine – John Lennon
Who’s Next – the Who
1972
Machine Head – Deep Purple
1973
Dark Side of the Moon – Pink Floyd
Houses of the Holy – Led Zeppelin
Pronounced… - Lynyrd Skynyrd
Brothers and Sisters – Allman Brothers Band
1974
Natty Dread – Bob Marley
Sheer Heart Attack – Queen
1975
Physical Graffiti – Led Zeppelin
Wish You Were Here – Pink Floyd
A Night at the Opera – Queen
Toys in the Attic - Aerosmith
1976
Hotel California – Eagles
Boston – Boston
Tom Petty and the Heartbreakers – Tom Petty
1977
Exodus – Bob Marley
Animals – Pink Floyd
1978
Van Halen – Van Halen
Road to Ruin – the Ramones
Dire Straits – Dire Straits
1979
The Wall – Pink Floyd
London Calling – The Clash
Regatta de Blanc – The Police
Highway to Hell – ACDC