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 began to show a new silhouette, with a thicker waist, flatter bust, and narrower hips. By the end of the decade the most fashionable skirts cleared the floor and approached the ankle. The overall silhouette narrowed and straightened, beginning a trend that would continue into the years leading up to the Great War. In early 1910, a survey of wealthy high school senior students at a private New York City girls' school found that each spent an average of $556 ($ ) annually for clothing excluding undergarments, and would have spent four times that amount with an unlimited budget. Women