Throughout 15 th century, explorers establishing posts for the several types of common tradable commodities at time, it is ranging form gold to slaves, and they looked for route to the India and the spices that were coveted in Portugal and then population of 1 million residents. Independence of country was interrupted in between 1580 and early 1640 due to heirless Sebastian in battle of Morocco, claimed and throne so became Philip I. Portugal didn't lose formal independence, but in was initially governed by same monarch who previously governed Spain forming union of kingdoms and personal union in 1640.

Portugal began slowly inexorable was decline until 20 th century. Decline was then hastened by independence in late 1822 of largest colonial possessions of country Brazil. Portugal had already lost territory in the South America at height of the European colonialism in 19 th century. Map of country provinces in the Africa by time of Portuguese Colonial war between 1961 and 1974. Monarch of Portugal was continued and considerable the economic problems that were aggravated by military intervention in 1 st World War. Country became founding member of Eurozone in year 1999. Outcome was loss of Portuguese territories within Indian subcontinent, and in early 1960s, movements of independence in areas of Portugal provinces resulted in Colonial war of Portugal.