Conversation so far:
What is the Surrealism movement in art?
Surrealism is a cultural movement that started in 1917, and is best known for its visual artworks and writings. Artists painted unnerving, illogical scenes with photographic precision, created strange creatures from everyday objects, and developed painting techniques that allowed the unconscious to express itself.
What are characteristics of the Surrealism movement?
Surrealistic art is characterized by dream-like visuals, the use of symbolism, and collage images.

Question: Tell me about its founding
Self-contained rewrite: Tell me about the Surrealism movement's founding.