The Hassanamisco Nipmuc Band is the original state acknowledged Nipmuc tribe as stated in the 1976 Dukakis Executive Order, Section I.
In May of 1995, the Hassanamisco Band, the Chaubunagungamaug Band, and Nipmucs associated with the Nipmuc Tribal Acknowledgement Project (NTAP) designated the Nipmuc Nation organization as the vehicle to facilitate federal recognition.