Martin Luther King Jr. returns to Memphis to stand with striking AFSCME sanitation workers. This evening, he delivers his famous "I've Been to the Mountaintop" speech in a church packed with union members and others. He is assassinated the following day - 1968

Martin Luther King, Jr., leads a march of striking sanitation workers in Memphis, Tenn. Violence during the march persuades him to return the following week to Memphis, where he was assassinated - 1968

Staffers at San Francisco progressive rock station KMPX-FM strike, citing corporate control over what music is played and harassment over hair and clothing styles, among other things. The Rolling Stones, Joan Baez, the Jefferson Airplane, the Grateful Dead and other musicians request the station not play their music as long as the station is run by strikebreakers - 1968