Terrifying History on Instagram: "On March 28, 1988, during the U.S. Olympic Diving Trials in Indianapolis, American diver Greg Louganis suffered a dramatic and severe accident. While performing a reverse 2½ pike from the three-meter springboard, he misjudged his distance and the back of his head struck the concrete diving board with tremendous force. The impact was audible throughout the natatorium, and Louganis fell into the water, which was visibly stained with blood from a deep scalp lacerat