Jul 4 Richard Cosway, English portrait painter, dies at 78 Jul 9 Tommaso Sogner, Italian composer, dies at 58 Jul 21 Maurice J M prince de Broglie, bishop of Ghent, dies at about 55 Jun 1821 Famous Deaths by Year Aug 1821 Famous People by Cause of Death Assassination Car Crash Hanging Killed in Action Plane Crash Poisoning