Complex sentence: Virginia did not experience the type of mass hysteria that characterized the Massachusetts Salem witch trials in 1692--1693 where 19 colonists were executed for witchcraft, several years before the first accusations against Sherwood.
Split into simpler sentences: Virginia did not experience the type of mass hysteria that characterized the Massachusetts Salem witch trials in 1692--1693. There, 19 colonists were executed for witchcraft, several years before the first accusations against Sherwood.