US President Trump declared the Antifa movement a domestic terrorist organization. US President Donald Trump has officially classified the Antifa movement as a domestic terrorist organization. Antifa groups also emerged in different countries, such as in Italy against the fascist rule of Benito Mussolini and in Spain in response to the Franco dictatorship. Antifa groups emerged in Germany in the 1920s and 1930s, sharing the opposition against the rise of the Nazis Image: akg-images/picture-allianceNon-violent or militant? Local Antifa groups in the US have been operating since the early 1980s Image: Nathan Howard/Getty ImagesAntifa in the United StatesLocal Antifa groups in the US have been opposing the activities of American neo-Nazis, racist skinheads and the Ku Klux Klan since the early 1980s.