July 30 has its share of important moments in rock history. Let's dive into it and discover what happened in rock history on this day. Breakthrough Hits and MilestonesThis date marks some notable breakthrough moments and milestones for some of the biggest names in rock history. Aside from being a huge milestone in the band's history, the song is also remembered for being the only one to reach No. It was successful with both critics and the public, earning him a GRAMMY Award for Best Rock Album at the awards show the following year.