1982 Event Washington D.C. jury finds John Hinckley, Jr. innocent by insanity 1982 Event John Hinckley found not guilty of 1981 attempted assassination of President Reagan by reason of insanity 1961 Birthday Tony MacAlpine, heavy metal rocker, Solo-Edge of Insanity 1898 Birthday G Kraus, director Santpoort, Insanity in Netherlands 1859 Event 1st use of "insanity plea" to prove innocence 1859 Event Dan Sickles is acquitted of murder on grounds of temporary insanity 1st time this defense is successfully used
