Over the past 70+ years, fashion trends have changed dramatically in response to historical events and societal shifts. Popular styles of dresses, skirts, blouses, shoes and accessories from the 1920s to 1990s are described, noting how World Wars, economic conditions, and cultural movements influenced hemlines, silhouettes, fabrics and designs over time. Famous fashion designers from each decade, like Coco Chanel in the 1920s and Mary Quant in the 1960s, helped define and spread new looks that captured the mood and aesthetics of their respective eras.