military coup d'état failed. 29 November: General António Óscar Carmona became President of the Republic. 16 December: The Ditadura Militar created a political police called Police of Information of Lisbon. References 1926 Coup D Etat 1926 in Portugal Conflicts in 1926 Coup d'état 1926 Coup d'état 1926 1926 Coup d'état 1926 Coup d'état Coup d'état 1926 May 1926 events 1920s coups d'état and coup attempts