1963 - The Beatles are introduced to the Rolling Stones for the first time backstage in Richmond, England. George Harrison says he's particularly impressed by the unsigned band's performance.
1968 - Led Zeppelin announces new name and plays their first show at the University of Surrey in Guildford on 25 October.
1969 - Led Zeppelin enter the English albums chart with their self-titled debut in its third week of release.
1970 - The Beatles, one of the most popular and influential musical groups in history break up.
1971 - The Allman Brother's Band plays a legendary performance at the Filmore East in the east village of New York City.
1971 - lead singer of the group The Doors, Jim Morrison, was found dead in his bathtub in Paris France.
1972 - Pink Floyd's bebuts Dark Side of the Moon at The Dome, Brighton. A full year before the album release.
1973 - Pink Floyd's Dark Side of the Moon was released on March 17. Dark Side of the Moon, a landmark in rock history.
1977 - Led Zeppelin played their last concert in the United States. During the concert, a brawl broke out between band members and their promoters staff which ended with criminal charges filed against some of the band members.