Opening soon at the Irvington Historical Society’s McVickar House “Treason of the Blackest Dye: The True Story of Arnold, André, and Three Honest Militiamen”.

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. Ongoing through August 2026.

Thursdays and Saturdays from 1:00–4:00 p.m. McVickar House, 131 Main Street, Irvington, NY 10533