It began in France around 1850 and it was an artistic movement to try and revolutionize the current understand of art. It was a truly experimental movement that ended up branching off into many different categories of Avante-Garde. Courbet was one of the first artist who described himself as being apart of the Avante-Garde movement, and then Salvador Dali quickly followed. The word itseld means "advanced guard."
Cubism:
This genre of the Avante-Garde movement was created by Pablo Picasso and Georges Braque in Paris, France between 1907 and 1914. The name "cubism" was created in order to describe the painting Demoiselles d'Avignon. Cubist work usually is flat, two-dimensional, and looks like a cut up puzzle. This particular type of art is very difficult to create because, like Mrs. Lenart said in class, the painter has to imagine the completed job before one ever even starts. The movement began as an intellectual revolt against the artistic expression of the previous era. These painting were no longer sensual, they were now dry and abstract.

Photorealism:
Evolved from Pop-Art, the most popular genre in my opinion that struck the U.S., Photorealism began appearing around 1960. If was first met with intense criticism but eventually people began to warm-up to the idea and it spread more wildly in the later half of the 1960's. Edward Hopper was a photorealism painter and he was very well known in the U.S.
