D. W. Griffith's Supreme Triumph Hearts of the world, a love story of the great war, 18 months in the making

The popularity of “moving pictures” grew in the 1920s. Movie "palaces" sprang up in all major cities. For a quarter or 25 cents, Americans escaped their problems and lose themselves in another era or world. People of all ages attended the movies with far more regularity than today, often going more than once per week. By the end of the decade, weekly movie attendance swelled to 90 million people. The silent movies gave rise to the first generation of movie stars. At the end of the decade, the dominance of silent movies began to wane with the advance of sound technology.