The Guggenheim Museum SoHo was a branch of a museum that was established in what year?
Solomon R. Guggenheim Museum: The Solomon R. Guggenheim Museum, often referred to as The Guggenheim, is an art museum located at 1071 Fifth Avenue on the corner of East 89th Street in the Upper East Side neighborhood of Manhattan, New York City. Solomon R. Guggenheim Museum:  The museum was established by the Solomon R. Guggenheim Foundation in 1939 as the Museum of Non-Objective Painting, under the guidance of its first director, the artist Hilla von Rebay.
i don't know