==Events and Trends== Thomas Neale designed the roundabout of Seven Dials. 1692: The Salem Witchcraft Trials were held in Massachusetts Bay Colony. 1692: Dutch Explorer Arnout Vielle discovered the first known European-American trade route down the Ohio Valley. The New York Colony financed this route, and it became profitable. World Leaders King Christian V of Denmark (1670 - 1699). King Frederick IV of Denmark (1699 - 1730). Queen Mary II of England and Scotland (1689 - 1694). King Wi… (More on 1690s)