* Second Dynasty: Aviz
          o 1385
                + João I of Portugal acclaimed king by the Portuguese; Castilians do not accept this claim.
                + Battle of Aljubarrota: João I defeats the Castilians and secures the throne.
          o 1386 - Treaty of Windsor (between Portugal and England), an alliance between England and Portugal.
          o 1394 – Henry the Navigator, son of king João I of Portugal, is born.
          o 1415–1499 - A period of crusades and discoveries.
          o 1494 - The Treaty of Tordesillas is signed between Portugal and Spain, divided the world outside of Europe in an exclusive duopoly between the two Iberian nations.
          o 1498 - Vasco da Gama discovers the sea-route to India.
          o 1500 - Pedro Álvares Cabral discovers Brasil
          o 1499–1580 - The Portuguese Empire stretches from Brasil eastward to the Moluccas, reaching the zenith of its prosperity and entering a period of swift decline.
          o 1580 - Dinastic crisis of the 16th century.
    * Third Dynasty: Habsburg (Spanish rule)
          o 1581–1640 - Spanish kings ruled over Portugal in a personal union of the Crowns. Portugal loses de facto independence to Spain.
    * Fourth Dynasty: Bragança
          o 1640 – The Duke of Braganza becomes king João IV of Portugal. Restoration of Portuguese Independence and end of Spanish control.
          o 1755 – The Lisbon earthquake destroys the city to the ground; an enormous tsunami wave washes away what remained standing.
          o 1750-1777 - Sebastião de Melo, Marquis of Pombal rules Portugal as Prime Minister of King Joseph I of Portugal.
          o 1807-1814 - Napoleon Bonaparte, Emperor of France, invades Portugal. The Portuguese Royal Family is transferred to the colony of Brasil. An Anglo-Portuguese Army, commanded by Sir Arthur Wellesley, 1st Duke of Wellington, resists French occupation during the Peninsular War.
          o 1820 - Portugal demandes the return of King João VI of Portugal to Lisbon.
          o 1822 - Brasil declares independence. Pedro, son of King João VI of Portugal, becomes Emperor Pedro I of Brazil.
          o 1826 – Emperor Pedro I of Brazil also becomes King Pedro IV of Portugal.
          o 1828 – Miguel, King Pedro IV of Portugal's brother, is proclaimed Absolute King Miguel I of Portugal, rival to Pedro IV. Beginning of the Portuguese Liberal Wars.
          o 1834 - End of the Portuguese Liberal Wars. Miguel I of Portugal is exiled to Germany. Portugal becomes a Constitucional Monarchy.
          o 1890 - Emergence of a strong Portuguese Republicanism movement.
    * First Republic
          o 1910 - The Republican Revolution, supported by popular uprising and virtually no resistance, is victorious and puts an end to the Portuguese Monarchy. The last King of Portugal, Manuel II of Portugal, and the Portuguese Royal Family, embark for exile in England. The Republic is officially proclaimed in Lisbon.
          o 1916–1918 - Portugal contributes to the Great War on the Allies' side.
    * Second Republic: Authoritarian Estado Novo
          o 1926 - The 28th May military coup d'état puts an end to the 1st Republic of Portugal. Establishment of the Ditadura Nacional (National Dictatorship).
          o 1928 - António de Oliveira Salazar becomes Minister of Finance. General António Óscar de Fragoso Carmona is President of the Republic.
          o 1932 - António de Oliveira Salazar becomes Prime Minister.
          o 1933
                + A new Constitution is approved in a false referedum, defining Portugal as a Corporative, Single Party and Multi-continental country (in Europe, Africa, Asia and Oceania).
                + A Conservative Authoritarian regime entitled Estado Novo is installed.
                + The Single Party União Nacional (National Union) is created.
                + The Estatuto do Trabalho Nacional (Code of National Labour) is published, prohibiting all free trade unions.
                + A Political Police, the PVDE (Polícia de Vigilância e de Defesa do Estado; State Defense and Vigilance Police) is created.
                + Censorship, particularly of the Mass media, is systematic and generalized.
          o 1936-1939 - During the Spanish Civil War, Portugal promptly supportes Nationalist Spain under General Francisco Franco and sends military aid (the Battalion of the Viriatos) in their fight against the Spanish Republicans.
          o 1939-1945 - During World War II Portugal remains neutral.
          o 1949 - Portugal is a founding member of NATO.
          o 1954 - The Dadra and Nagar Haveli enclave of Portuguese India, dependent of Daman, is occupied by India.
          o 1960 - Portugal is one of the founding member of the EFTA - European Free Trade Association.
          o 1961
                + The Portuguese Colonial War starts in Angola, it will spread, in the years to come, to Mozambique and Portuguese Guinea (today Guinea-Bissau).
                + The Indian army conquers Portuguese Goa and Daman and Diu, in Portuguese India.
          o 1968
                + António de Oliveira Salazar leaves the Government due to health problems.
                + Marcello das Neves Alves Caetano becomes Prime Minister.
          o 1970
                + Death of António de Oliveira Salazar.
                + Portugal invades Conakry, in the Republic of Guinea.
    * Third Republic: Democracy
          o 1974 - The Carnation Revolution of the 25 April puts an end to five decades of authoritarian dictatorship.
          o 1975 - Independence is granted to all Portuguese colonies in Africa and promised to East Timor (which is violently annexed by Indonesia).
          o 1986 - Portugal joins the European Communities (EEC later EU).
          o 1999
                + Macao, the last overseas Portuguese colony, is returned to China.
                + Indonesia ceases its occupation of East Timor.
          o 2002 - Portugal adopts the euro as currency.

Source http://en.wikipedia.org/wiki/History_of_Portugal