Cabaret Voltaire was the name of a nightclub in Zürich, Switzerland. It was founded by Hugo Ball, with his companion Emmy Hennings on February 5, 1916 as a cabaret for artistic and political purposes. Other founding members were Marcel Janco, Richard Huelsenbeck, Tristan Tzara and Jean Arp. Events at the cabaret proved pivotal in the founding of the anarchic art movement known as Dada.