Timeline of Awesome (off the top of my head):
The 60s - The Beatles, Bob Dylan, The Rolling Stones, The Who.
The 70s - AC/DC, Aerosmith, The Allman Brother's Band, Blue Oyster Cult, Black Sabbath, Jethro Tull, Kansas, Lynyrd Skynyrd, Journey, Rush, ELVIS, thanks Purple Nurple.
The 80s - Metallica, Iron Maiden, Slayer, Alice Cooper, Beastie Boys, Bon Jovi, The Clash, Def Leppard, Slayer, Death, Morbid Angel, Possessed, Guns N' Roses, Soundgarden, Queensyrche, Radiohead, Red Hot Chili Peppers, Dream Theater, Nirvana.
The 90s - Mastodon, Necrophagist, Smashing Pumpkins, R.E.M., Beck, Rage Against The Machine, U2, Counting Crows, Third Eye Blind, Alice In Chains, Stone Temple Pilots.
The 00s - Job For a Cowboy, The White Stripes, Queens of the Stone Age, Muse, Wolfmother, Coheed and Cambria, Opeth, The Strokes, Tool.
Jeez, I really blanked out on some decades..
(By the way, all these are like, whatchacallit, approximate, 'cause most bands start in one decade and get big in another, etc. Jeez, it's really late for me to be thinking this hard.)