The mid to late 1970s is considered the second most violent period in U.S. school history with a series of school shootings, most notably were;
• December 30, 1974 Olean, New York, Anthony Barbaro, a 17-year-old Regents scholar armed with a rifle and shotgun, kills three adults and wounds 11 others at his high school, which was closed for the Christmas holiday. Barbaro was reportedly a loner who kept a diary describing several "battle plans" for his attack on the school.
• June 12, 1976 California State University, Fullerton massacre, where the school's custodian opened fire with a semi-automatic rifle in the library on the California State University, Fullerton campus killing 7, and wounding 2.
• February 22, 1978 Lansing, Michigan After being taunted for his beliefs, a 15-year-old self-proclaimed Nazi, kills one student and wounds a second with a Luger pistol.
• January 29, 1979 Grover Cleveland Elementary School Shootings, California, where a 16yr old girl opened fire with the rifle, a gift from her father, killing 2 and wounding 9.
