Local History Meetup
"Treason of the Blackest Dye" Exhibition
at the Irvington Historical Society
Saturday, May 30, 2026, 11:30 am
The Historical Society of Rockland County invites you to join us for
"Treason of the Blackest Dye"
A Local History Meetup and Special Private Tour
When:
Saturday, May 30, 2026, 11:30 am
Where:
Irvington Historical Society, 131 Main Street, Irvington, NY 10533
Price:
$FREE (Reservations are not required)
Gather with fellow local history enthusiasts at the Irvington Historical Society before the museum’s open hours for an exclusive tour of the Revolutionary War-themed exhibition “Treason of the Blackest Dye.”
Developed by Revolutionary Westchester 250 based on new primary research by Char Weigel, the exhibition takes a deep dive into the people and events behind Benedict Arnold’s treason and the capture and execution of British Major John André.
Please note that this is a Meetup event. Transportation to and from Irvington and lunch are on your own!
About Revolutionary Westchester 250: Revolutionary Westchester 250is a charitable not-for-profit corporation organized to further the purpose of the Semiquincentennial Commission by providing for the observance and commemoration of the pivotal role of Westchester County in the American Revolution, the founding of the United States and related events.
The Historical Society of Rockland County is a nonprofit educational institution and principal repository for original documents and artifacts relating to Rockland County. Its headquarters are a four-acre site featuring a history museum and the 1832 Jacob Blauvelt House in New City, New York. www.RocklandHistory.org.