The Historical Society of Massachusetts is an organization dedicated to preserving and promoting the history of Massachusetts. Founded in 1791, it collects and maintains a vast array of historical documents, artifacts, and photographs that reflect the state's rich heritage. The society also conducts research and offers educational programs to engage the public in understanding Massachusetts' past. In addition to its collections, the society hosts events and exhibitions that highlight significant events and figures in Massachusetts history, such as the American Revolution and notable individuals like John Adams. Through these efforts, the Historical Society of Massachusetts plays a vital role in fostering appreciation for the state's historical legacy.