The Ditadura Nacional
for National Dictatorship) was the name of the Portuguese
regime initiated by the election of President Óscar Carmona on 1928 (following all the turbulence derived from the 28th May 1926 coup d'état
) that lasted until the adoption of the new constitution in 1933, when the regime changed its name to Estado Novo
- May 27, The General Manuel de Oliveira Gomes da Costa arrives at Braga with the purpose of initiating a Coup d'état.
- The Republican Government and Prime Minister António Maria da Silva, knowing of the forthcoming coup, try to organize resistance believing the uprising can be defeated.
- May 28, A Military coup d'état (henceforth know as the 28th May 1926 coup d'état) begins in Braga led by Gomes da Costa. Believing to have failed, Gomes da Costa announces his surrender.
- May 29
- May 30
- June 3, António de Oliveira Salazar becomes Minister of Finance, he resigns 16 days after nomination.
- June 3, The Congress of the Republic of Portugal (National Assembly) is dissolved by dictatorial decree.
- All heads of Municipalities are substituted.
- The Carbonária (the Portuguese section of the Carbonari) is banned.
- All Political parties are banned.
- June 17, General Gomes da Costa provokes a military coup.
- June 19, General Gomes da Costa becomes Prime Minister.
- June 22, Censorship is instituted.
- June 29, General Gomes da Costa becomes President of the Republic.
- July 9
- September 15 - Failed military coup.
- September 18 - Failed military coup.
- November 29 - General António Óscar Carmona becomes President of the Republic.
- December 16, The Police of Information of Lisbon, a Political Police, is created.
- January 21, Domingos da Costa e Oliveira becomes Prime Minister.
- The Acto Colonial (Colonial Act) is published, defining the status of Portuguese colonies (Angola, Cabinda, Cape Verde, Portuguese Guinea, São Tomé and Príncipe, Mozambique, Goa, Diu, Daman & Dadra and Nagar Haveli, Portuguese Timor and Macau).
- The fundamental principles of the new regime are present by António de Oliveira Salazar in the 4th anniversary of the 28th of May Revolution.