Isidora Dolores Ibárruri Gómez (9 December 1895 – 12 November 1989) – known as Pasionaria" (English: "the Passionflower") – was a Spanish Republican fighter of the Spanish Civil War of 1936–1939 and a communist politician known for her famous slogan ¡No Pasarán! ("They shall not pass") issued during the Battle for Madrid in November 1936.