Conversation so far:
What specifically occurred before World War II?
In January 1938, Guggenheim opened a gallery for modern art in London featuring Jean Cocteau drawings in its first show, and began to collect works of art.
Did many people come to support Peggy Guggenheim's gallery for modern art in London?
What was some of the advice Peggy Guggenheim's friends gave her?
show-case for the Surrealist movement in Peggy Guggenheim's gallery
Was Peggy Guggenheim excited about show-casing the surrealist movement in her gallery?

Question: How long did it take for her to learn?
Self-contained rewrite: How long did it take for Peggy Guggenheim to learn about contemporary art and styles?