The Jazz Age marked a transformative period in American history from 1919 to 1929. This era saw significant social and cultural shifts, including the rise of flappers, the Harlem Renaissance, and the loosening of traditional norms. The decade also witnessed economic prosperity, technological advancements, and political changes. Key events like Prohibition, women's suffrage, and the Stock Market Crash of 1929 shaped the nation's trajectory and left a lasting impact on American society.