New Castle Historical Society members help us bring our mission to life! As a member, you receive exclusive invitations, access, and benefits all year long, and you play a vital role in shaping the stories our community will reflect upon years from now. New Castle Historical Society is a private 501(c)3 non-profit organization, meaning we do not receive any funding from taxes. Memberships, donations, and sponsorships form the core of our funding, so every dollar of your membership dues makes a difference!