Conversation so far:
What type of museum did Peggy Guggenheim plan to open?
A museum for contemporary arts was exactly the institution she could see herself supporting.
Was Peggy Guggenheim successful in her plans for a museum for contemporary arts?
A few days before the Germans reached Paris during World War II, Guggenheim had to abandon her plans for a Paris museum, and fled to the south of France.

Question: When did the foundation start?
Self-contained rewrite: When did the Solomon R. Guggenheim Foundation start?