Aug 1 Jacques Clément, French assassin of Henry III of France (b. 1567) Aug 2 Henry III, King of Poland and France (1573-89), assassinated at 37 Aug 10 Maarten Schenck Nideggen, Dutch army leader, drowned at about 49 Aug 11 Maarten Schenck van Nideggen, lt col (80 year war), dies at about 49 1588 Famous Deaths by Year 1590