NORWICH – On Saturday, the Chenango County Historical Society (CCHS) Museum will participate in the fifth annual Museum Day, presented by the Smithsonian Magazine. A celebration of culture, learning and the dissemination of knowledge, Smithsonian’s Museum Day reflects the spirit of the magazine, and emulates the free-admission policy of the Smithsonian Institution’s Washington, D.C. – based properties. Doors will be open free of charge to Smithsonian magazine readers and Smithsonian.com visitors at museums and cultural institutions nationwide.