Exhibit unravels treasonous plot from Revolutionary War

Since September 2024, the Revolutionary War plot involving Benedict Arnold and John André has been the subject of an exhibit that has traveled from the Pocantico Center in Pocantico Hills, to Philipse Manor Hall State Historic Site in Yonkers, and to the West Point Museum at the U.S. Military Academy.

“Treason of the Blackest Dye: The True Story of Arnold, André, and Three Honest Militiamen” is now on view at the Irvington Historical Society, 131 Main St., through August. The society’s headquarters, known as the McVickar House, is open to the public on Thursdays and Saturdays, from 1-4 p.m.