May 21, 2014
By Valerie Massie
On May 21st, 1970, Crosby, Stills, Nash & Young released the protest single Ohio, written and composed by Neil Young in reaction to the Kent State shootings.
On May 4th, 1970, when unarmed college students were shot by the Ohio National Guard. The guardsmen fired 67 rounds over a period of 13 seconds, killing four students and wounding nine others, one of whom suffered permanent paralysis.
Source: This Day in Music