Women’s fashions underwent dramatic transformations throughout the 20th century. As seen here, the fashionable silhouette changed quite rapidly—every five to ten years—and was reflective of not just changes in what women wore but they lives they led. Want to learn more about dating historical fashion? Check out my online fashion history series What Women Wore to the Revolution which spans the 1850s to the 1960s. And in January, I will be debuting a new, live online course as part of the series,