This course examines the dramatic political and social conflicts of Spain and Portugal in modern times. Few European countries presented such a broad mixture of radical ideologies, movements and to some extent institutional changes since the nineteenth century. Main emphases will be on the breakthrough of modern liberalism, the rise of the revolutionary left, the onset of fascism, the Spanish Civil War, the Portuguese Revolution and the stabilization of the current democratic regimes. Study will be to some extent topical and comparative analyzing Spain and Portugal in terms of similar conflicts, movements and phases of development.