The Kent State shootings (also known as the May 4 massacre, Kent State shootings, Kent State University vs. Ohio National Guardsmen, Kent State University Shootings, or the Kent State massacre) occurred at Kent State University in Kent, Ohio, in the United States and involved the shooting of unarmed college students by 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, one of whom suffered permanent paralysis.