Watchmen Flower Protest Shooting

Apparently this is based on a real event, or at least that is what I have read. Please message me if that is wrong. “May 4 massacre or Kent State massacre occurred at Kent State University in the city of Kent, Ohio, and involved the shooting of unarmed college students by members of the Ohio National Guard on Monday, May 4, 1970. The guardsmen fired 67 rounds over a period of 13 seconds, killing four students and wounding nine others...“