“Shrewsbury Then and Now” will be presented at 10 a.m., 10:30 a.m., 11 a.m. and 11:30 a.m. by the Shrewsbury Historical Society. Back by popular demand, this unique 20-minute slide presentation features 50 photographs of Shrewsbury from the 1880s to 1920s with modern images showing changes over the years. This show will be narrated live by its developer, Shrewsbury Historical Society President Erik K. Larson, at the 1830 Brick Schoolhouse on Church Road. The museum and gift shop will also be open. Free and open to the public. In case of inclement weather, the program will be canceled.