a Lettera of thanks to my enemies Then he made a new postcard with a photomontage showing Benito Mussolini, Adolf Hitler, Joseph Stalin, Vladimir Lenin, Mao Zedong, Karl Marx, Fidel Castro, Che Guevara, Francisco Franco and other historical figures, and a plea to avoid a nuclear war that could destroy his important artworks. Enrico Crispolti and Franco Summa set up in Pescara an exhibition titled Postal Medium containing works by Cavellini, Basilio Cascella and other mail artists. In Pescara Cavellini made a new writing performance on some panels and on the body of Gianni Romeo. In March 1980 the artist Galeazzo Nardini invited Cavellini at a convention in Montecatini Terme titled Critica 1 – L'arte da chi a chi, directed by Gillo Dorfles with the participation of Christo, Daniel Buren, Andy Warhol, Pierre Restany, Giuseppe Chiari and Fabio Mauri. Umberto Eco, Flavio Caroli, Eugenio Battisti, Lucia Marcucci, Claudio Costa, Maurizio Calvesi and Michael Pergolani were also present. The Naples Alternative Group made a performance to celebrate Cavellini, and the artist wrote on the body of Mariella Valenti. The United States and Japan From 6 April to 30 May 1980 Ukiah, California hosted the Inter Dada 80 festival. Artists Anna Banana, Judith Hoffberg and Buster Cleveland made a parade in honor of Cavellini and invited him to the United States. Hoffberg published a picture of Cavellini on the cover of her magazine Umbrella. On 28 April the artist took a flight from Linate to San Francisco with photographer Ken Damy. Upon arrival he was interviewed by Video Free America and Target Video. In the Target interview Cavellini said he was not a dadaist and distanced himself from Fluxus. On 1 May he arrived in Ukiah, and on 3 May there was a huge parade in his honor. Then he visited the Orange County Museum of Art, the Museum of Contemporary Art San Diego, the University of San Diego and Disneyland. Local artist made a performance called Eating Cavellini, in which they swallowed fragments of Cavellini's posters. On 10 May there was a new parade in his honor. Then the artist moved to Budapest, Hungary, where György Galántai had organized and exhibition of his works. Vittore Baroni published an issue of his magazine Arte postale! solely about Cavellini. German magazines Art and Frankfurter Idee, the American Boulevards and Slick and the Swiss DU published articles about him. Canadian magazine Fuse criticized him