Pri·mo de Ri·ve·ra y Or·ba·ne·ja (prē'mō dā rĭ-věr'ə ē ôr'bə-nā'hä, thě rē-vě'rä ē ôr'vä-ně'hä) Spanish general and politician who seized power and ruled as dictator (1923-1930). His son José Antonio Primo de Rivera (1903-1936) founded the Spanish Fascist Party (1933) and was executed by Loyalists during the Civil War.