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
1900s in Western fashion of the head (if necessary, over horsehair pads called "rats") and gathered into a knot. Large hats were worn with evening wear. By the end of the decade, hats had smaller drooping brims that shaded the face and deep crowns, and the overall top-heavy effect remained. Shoes were narrow and often emphasized. They had a pointed toe and a medium height heel. Buttons, patent leather, and laced models of the shoe were also manufactured and readily available. Similarly, there were shoes for every occasion; oxfords for a tailored costume, slippers with straps for festive occasions or pumps with pearl buckles,