|
|
| YEAR | DATE | EVENT | HEAD OF STATE | PRIME MINISTER |
| 1910 | 5 october | Republic | Joaquim Teófilo Fernandes Braga (I) | - |
| 1911 | 25 august | Manuel José de Arriaga Brum da Silveira e Peyrelongue | ||
| 1911 | 4 september | João Pinheiro Chagas | ||
| 1911 | 13 november | Augusto César de Almeida Vasconcelos Correia | ||
| 1912 | 16 june | Duarte Leite Pereira da Silva | ||
| 1913 | 9 january | Afonso Augusto da Costa (I) | ||
| 1914 | 9 february | Bernardino Luís Machado Guimarães (I) | ||
| 1914 | 12 december | Vítor Hugo de Azevedo Coutinho | ||
| 1915 | 28 january | Joaquim Pereira Pimenta de Castro | ||
| 1915 | 17 may | José de Castro | ||
| 1915 | 29 may | Joaquim Teófilo Fernandes Braga (II) | ||
| 1915 | 5 october | Bernardino Luís Machado Guimarães (I) | ||
| 1915 | 29 november | Afonso Augusto da Costa (II) | ||
| 1916 | 16 march | António José de Almeida | ||
| 1917 | 25 april | Afonso Augusto da Costa (III) | ||
| 1917 | 12 december | Sidónio Bernardino Cardoso da Silva Pais | Sidónio Bernardino Cardoso da Silva Pais | |
| 1918 | 14 december | João do Canto e Castro Silva Antunes | João Tamagnini de Sousa Barbosa | |
| 1919 | 27 january | José Carlos de Mascarenhas Relvas | ||
| 1919 | 30 march | Domingos Leite Pereira (I) | ||
| 1919 | 30 june | Alfredo Ernesto de Sá Cardoso | ||
| 1919 | 5 october | António José de Almeida | ||
| 1920 | 21 january | Domingos Leite Pereira (II) | ||
| 1920 | 8 march | António Maria Baptista | ||
| 1920 | 6 june | José Ramos Preto | ||
| 1920 | 26 june | António Maria da Silva (I) | ||
| 1920 | 19 july | António Joaquim Granjo (I) | ||
| 1920 | 20 november | Álvaro Xavier de Castro (I) | ||
| 1920 | 30 november | Liberato Damião Ribeiro Pinto | ||
| 1921 | 2 march | Bernardino Luís Machado Guimarães (II) | ||
| 1921 | 23 may | Tomé José de Barros Queirós | ||
| 1921 | 30 august | António Joaquim Granjo (II) | ||
| 1921 | 19 october | Manuel Maria Coelho | ||
| 1921 | 5 november | Carlos Henrique da Silva Maia Pinto | ||
| 1921 | 16 december | Francisco Pinto da Cunha Leal | ||
| 1922 | 7 february | António Maria da Silva (II) | ||
| 1923 | 5 october | Manuel Teixeira Gomes | ||
| 1923 | 15 november | António Ginestal Machado | ||
| 1923 | 18 december | Álvaro Xavier de Castro (II) | ||
| 1924 | 7 july | Alfredo Rodrigues Gaspar | ||
| 1924 | 22 november | José Domingues dos Santos | ||
| 1925 | 15 february | Vitorino Máximo de Carvalho Guimarães | ||
| 1925 | 1 july | António Maria da Silva (III) | ||
| 1925 | 1 august | Domingos Leite Pereira (III) | ||
| 1925 | 11 december | Bernardino Luís Machado Guimarães (II) | António Maria da Silva (IV) | |
| 1926 | 2 june | José Mendes Cabeçadas Júnior | José Mendes Cabeçadas Júnior | |
| 1926 | 19 june | Manuel de Oliveira Gomes da Costa | Manuel de Oliveira Gomes da Costa | |
| 1926 | 9 july | António Óscar de Fragoso Carmona | António Óscar de Fragoso Carmona | |
| 1928 | 18 april | José Vicente de Freitas | ||
| 1929 | 8 july | Artur Ivens Ferraz | ||
| 1930 | 21 january | Domingos Augusto Alves da Costa e Oliveira | ||
| 1932 | 5 july | António de Oliveira Salazar | ||
| 1951 | 18 april | António de Oliveira Salazar | ||
| 1951 | 9 august | Francisco Higino Craveiro Lopes | ||
| 1958 | 9 august | Américo de Deus Rodrigues Tomás | ||
| 1968 | 25 september | Marcelo das Neves Alves Caetano | ||
| 1974 | 25 april | gen. António Sebastião Ribeiro de Spínola | - | |
| 1974 | 16 may | Adelino da Palma Carlos | ||
| 1974 | 18 july | Vasco dos Santos Gonçalves | ||
| 1974 | 30 september | gen. Francisco da Costa Gomes | ||
| 1975 | 19 september | José Batista Pinheiro de Azevedo |