Chatham History Weekend sponsored by Historic Chatham. The purpose of this special weekend is to raise awareness of Chatham's rich historic past and its organizations. Historic Chatham venues may be open for at least one day during the weekend. Please check the historic-chatham.org website for details. We plan to offer a virtual bus tour of Chatham to explore historic points of interest. Chatham History Weekend is the primary collaborative effort among Chatham's many non-profit museums and organizations focused on history, with a mission to heighten both residents' and visitors' appreciation of Chatham as a place that has a fascinating history and vibrant organizations that celebrate it.