Mar 19 René-Robert Cavelier, sieur de La Salle, French explorer (Louisiana), killed by his men at 43 Mar 22 Jean-Baptiste Lully, Italian-born French composer (Miserere Suites de Symphonies et Trios), dies at 54 Mar 28 Constantijn Huygens, Dutch diplomat and poet, dies at 90 1686 Famous Deaths by Year 1688