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 Creek (Pennsylvania) in Montour County was built near the creek's mouth in 1839 or 1840. The furnace was known as the Roaring Creek Anthracite Water Power Furnace. It was altered in 1854. In 1856, the furnace produced 2350 tons of iron from ore on Montour Ridge, despite low water. The only post office in Mayberry Township up to 1915 was built at the mouth of the creek in 1895. It was known as Howelsville, after W.B. Howell, its first postmaster. In the early 1900s, major industries in the watershed of Roaring Creek included agriculture. However, the creek was also used as water