"Book II" details the history of Portugal beginning with Afonso I of Portugal, the first king of Portugal, along with other kings including Afonso II of Portugal, Denis, and John I of Portugal before moving on to the role played by Portugal in the Age of Discovery, the Portuguese in India with the Portuguese conquest of Goa, and discusses the decline of Portugal as a major European power, the 1755 Lisbon earthquake, Brazil, Napoleon's Invasion of Portugal, and finishes off with the reign of Carlos I of Portugal.