Lisbon Regicide
The assassination of King Carlos and the Prince Royal was the effective end of a constitutional monarchy in Portugal (later confirmed by the 5 October 1910 revolution). The regime functioned for another 33 months with growing agitation and demands for reform (although considerably less than in the future First Republic). It cannot be denied that the weak and permissive attitude in the Government of Acclamation was an incentive for the Republican Party to attempt another coup. The assassinations did not change the system of government; instead, they delayed the change.
Manuel I of Portugal
Dom Manuel I (; 31 May 1469 – 13 December 1521), the Fortunate (Port. ""), King of Portugal and the Algarves, was the son of Ferdinand, Duke of Viseu, by his wife, the Infanta Beatrice of Portugal. His name is associated with a period of Portuguese history distinguished by significant achievements both in political affairs and in the arts. In spite of Portugal’s small size and population in comparison to the great European land powers of France, Italy and even Spain, the classical Portuguese "Armada" was the largest in the world at the time. During Manuel's reign Portugal was able to acquire an overseas empire of vast proportions, the first in world history to reach global dimensions. The landmark symbol of the period was the Portuguese discovery of Brazil and the South American subcontinent in April 1500.