The lasting fame of the "Sonderbund" is founded on its three "International Art Exhibitions", 1910 and 1911 in Düsseldorf, and, especially, the 1912 Sonderbund exhibition in Cologne, which supplied a breathtaking review of early modern art with numerous iconic works from artists including Vincent van Gogh, Paul Cézanne, Paul Gauguin, Pablo Picasso and the neo-impressionists Henri-Edmond Cross and Paul Signac.
The lasting fame of the "Sonderbund" is attributed to its three international art exhibitions in 1910 and 1911 in Düsseldorf, and especially the 1912 Sonderbund exhibition in Cologne, which showcased a remarkable collection of early modern art from renowned artists like Vincent van Gogh, Paul Cézanne, Paul Gauguin, Pablo Picasso, Henri-Edmond Cross, and Paul Signac.