The document discusses 19th century artistic developments and styles such as Romanticism, Realism, Impressionism, and Post-Impressionism. It describes how Impressionism deviated from academic styles in both subject matter and technique by capturing momentary slices of life and focusing on the effects of light on color. The document also discusses the Salon des Refuses which exhibited rejected works and established alternatives to accepted forms of art, as well as the influence of Japanese woodblock prints called Ukiyo-e on Impressionists and Post-Impressionists.