https://en.wikipedia.org/wiki/COBRA_(art_movement)
CoBrA was formed by Karel Appel, Constant, Corneille, Christian Dotremont, Asger Jorn, and Joseph Noiret on 8 November 1948 in the Café Notre-Dame, Paris,[3] with the signing of a manifesto, "La cause était entendue" ("The Case Was Settled"),[4] drawn up by Dotremont.[5