Harmon Blennerhassett

October 8, 1764: Harman Blennerhassett Born in London

Harman Blennerhassett was born in London to a wealthy Irish family on October 8, 1764. He immigrated to the US and built an immense mansion near Parkersburg on what would become known as Blennerhassett Island. He is best remembered, though, for his role in a sketchy plot.