Kent State, 1970
On May 4, l970 members of the Ohio National Guard fired into a crowd of Kent State University demonstrators, killing four and wounding nine Kent State students. The impact of the shootings was dramatic. The event triggered a nationwide student strike that forced hundreds of colleges and universities to close. H. R. Haldeman, a top aide to President Richard Nixon, suggests the shootings had a direct impact on national politics. -Jerry M. Lewis and Thomas R. Hensley, Kent State