 Following the Gnadenhütten massacre in March 1782, the Rev.David Zeisberger and his group were summoned to Detroit by the British Major De Peyster, who suspected the Moravians of favoring the Americans in the American Revolutionary War.Zeisberger and his group, after assuaging De Peyster's suspicions were granted a place by the local Ojibwe to establish a mission a few miles north of Detroit on what was then known as the Huron River.