"treason Of The Blackest Dye" - Peekskill Museum Exhibit

The Peekskill Museum, partnering with Revolutionary Westchester 250, is honored to present “Treason of the Blackest Dye: The True Story of Arnold, André, and Three Honest Militiamen”, an extraordinary exhibit that tells the story of the one of the most critical series of events during the American Revolution. The gripping events played out in and around the villages and hamlets of the Hudson River Valley, including Peekskill, Yorktown and Tarrytown. It was a story upon which history hinged. The exhibit opens at The Peekskill Museum on September 19, 2026.