Alphonse Mucha's Art Nouveau style was so distinctive that people in the early 1900s simply called it "le style Mucha."

The Vienna Secession began in 1897 when Klimt and other artists resigned from the conservative Vienna Artists' Association to pursue modern art.

Surrealism emerged in the 1920s as a movement to unlock the power of the unconscious mind through art, inspiring dream-like creations.

The term "Impressionism" came from Claude Monet's 1872 painting "Impression, Sunrise," which a critic mockingly described as merely an "impression" rather than a finished work.