The International Exhibition of Modern Art, which opened in February 1913 at New York City???s 69th Regiment Armory, was a hugely influential???and, for many, shocking???show. ???The year after the exhibit, Duncan Phillips wrote extensively on the Armory Show and sort of railed on Cezanne, Matisse, and Van Gogh and some other artists he thought were just awful,??? Sehn says. ???About 10 years late