Decade ("60s" or "sixties"), although this may leave it uncertain which century is meant. These references are frequently used to encapsulate popular culture or other widespread phenomena that dominated such a decade, as in "The Great Depression of the 1930s" or "The Roaring Twenties". However, the Gregorian calendar begins with the year 1. (There is no year "zero", and the year before AD 1 is 1 BC with nothing in between.) Therefore, its "first" decade is from AD 1 to AD 10, the "second" decade from AD 11 to AD 20, and so on. So, although "the 1960s" comprises the years
Roaring Spring, Pennsylvania the period of significance (post 1944) tend to be later Cape Cod types, ranches, bi-levels and a variety of other suburban builders' homes. The greatest number of extant Gable-Fronts (or Temple-Fronts) in the district were built between the 1890s and 1910s, although a few older examples date to the 1880s. A number of variations exist, such as the Gable Front & Wing and the Gable-Front & T Wing, the latter a local variant that builders from the Roaring Spring Planing Mill seemed to have favored in the 1900s. Most houses are balloon-frame construction, however, the Four-Square, built here in the