In retrospect, the violent events at Kent State on May 4, 1970 marked the ending of widespread campus protest left over from the turbulent 1960s.
Divorce rates declined considerably in Oklahoma City during the immediate aftermath of the 1995 bombing there. Social scientists have a few theories as to why.
Gerrymandering is the process by which districts for the House of Representatives are drawn so that one party has a distinct election advantage.
The grainy pictures speak for themselves. Or so thought many Americans who watched the video of the March 3rd, 1991, beating of motorist Rodney King by Los Angeles police officers.
One scholar's opinion: the Twenty-Fifth Amendment is a Pandora's Box.