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
Greatest Hits: Decade Number 1 Greatest Hits: Decade Number 1 Greatest Hits: Decade #1 is the first greatest hits album by American singer Carrie Underwood, released on December 9, 2014, by Arista Nashville. A two-disc set, the release contains every single from Underwood's first four studio albums: "Some Hearts" (2005), "Carnival Ride" (2007), "Play On" (2009), and "Blown Away" (2012), except "Some Hearts" from its album of the same name. Two newly recorded songs were included: "Something in the Water" and "Little Toy Guns". The album also contains four additional tracks. The compilation debuted at number four on the "Billboard" 200 and at number one