March 17 Legal History By Karen Conti Karen Conti is a litigation attorney and owner of ContiLaw LLC. She is a regular legal commentator on CNN and the local Fox affiliate. She hosts a radio show every Sunday on WGN AM 720 from 7 to 9 p.m. to discuss current legal events and to answer listeners’ questions. Posted March 17, 2020 11:26 AM 1845 Stephen Perry of London patents the rubber band. 1970 The U.S. Army charges 14 officers with suppression of facts in the My Lai Massacre, a mass killing of civilians during the Vietnam War.