Realists rejected Romanticism, which had dominated French literature and art since the late 18th century. Realism revolted against the exotic subject matter and exaggerated emotionalism and drama of the Romantic movement.
As an art movement Realism was a reaction in the mid 19th century against what was seen as the artificiality of Romanticism, led by Courbet in France.
The Realist movement began in the mid-19th century as a reaction to Romanticism and History painting. In favor of depictions of 'real' life, the Realist painters used common laborers, and ordinary people in ordinary surroundings engaged in real activities as subjects for their works.