Sign in to Your Membership Account Sign In Email Password Forgot your password? Activate Your Account Submit your email address to receive a link to set a password and activate your account. Email Please enter a valid email address Email must be in proper format. EG. joe@company.com Submit Questions? If you have questions or need assistance please contact membership@nhhistory.org or call 603-856-0621. Thank you for being a member of the New Hampshire Historical Society!