Fashion Changes Throughout History -The sweater became known when Elsa wore it and many leaders of the fashion world saw it. • It is said that gangster costumes and the flapper costumes ruled the fashion scene. • Flapper costume takes you back to the era of 1920s. • The 1920’s have been called the Lost Generation, the Age of the Flapper, the Jazz Age, and the Roaring Twenties. • In the 1920’s, the sweater was an important piece of clothing for a new type of “modern” woman.