Treason of the Blackest Dye Exhibit

An exhibition developed by Revolutionary Westchester 250 based on new primary research by RW250 Vice President Char Weigel takes a deep dive into the people and events behind Benedict Arnold’s treason and the capture and execution of British Major John André. Curated by Char Weigel (RW250) with Marion Osmun, Alan Richardson and Pat Ryan (Irvington Historical Society).

Exhibit opens February 21 with curators on-site to discuss the exhibition.

Open to the public Thursdays and Saturdays 1 – 4 pm through August 2026.