The Vietnam War raged, The Prague Spring erupted, 2001: A Space Odyssey premiered, Robert F. Kennedy and Martin Luther King Jr. were both assassinated, the Civil Rights Act was passed, Apollo 8 orbited the moon, athletes took a stand at the Olympics, and Star Trek broadcasted television's first interracial kiss. 1968 was a watershed year, and a year that we're still feeling the effects of to this day. The music of the year was performed by angry members of a brand new generation, jaded from '67s Summer of Love and ready to explore new, more daring horizons. Here are the 50 most groundbreaking albums from that groundbreaking year.