Invasion of Portugal (1807) in the context of "Independence of Brazil"

The Peninsular War (1808–1814) was fought in the Iberian Peninsula by the Iberian nations Spain and Portugal, and the United Kingdom against the invading and occupying forces of the First French Empire during the Napoleonic Wars. In Spain, it is considered to overlap with the Spanish War of Independence. It overlapped with the War of the Fifth Coalition (1809) and the War of the Sixth Coalition (1812-1814).

The war can be said to have started when the French and Spanish armies invaded and occupied Portugal in 1807 by transiting through Spain, but it escalated in 1808 after Napoleonic France occupied Spain, which had been its ally. Napoleon Bonaparte forced the abdications of Ferdinand VII and his father Charles IV and then installed his brother Joseph Bonaparte on the Spanish throne and promulgated the Bayonne Constitution. Most Spaniards rejected French rule and fought a bloody war to oust them. The war on the peninsula lasted until the Sixth Coalition defeated Napoleon in 1814, and is regarded as one of the first wars of national liberation. It is also significant for the emergence of large-scale guerrilla warfare.

The Empire of Brazil (Portuguese: Império do Brasil) was a 19th-century state that broadly comprised the territories which form modern Brazil and Uruguay until the latter achieved independence in 1828. The empire's government was a representative parliamentary constitutional monarchy under the rule of Emperors Pedro I and his son Pedro II. A colony of the Kingdom of Portugal, Brazil became the seat of the Portuguese Empire in 1808, when the Portuguese Prince regent, later King Dom John VI, fled from Napoleon's invasion of Portugal and established himself and his government in the Brazilian city of Rio de Janeiro. John VI later returned to Portugal, leaving his eldest son and heir-apparent, Pedro, to rule the Kingdom of Brazil as regent. On 7 September 1822, Pedro declared the independence of Brazil and, after waging a successful war against his father's kingdom, was acclaimed on 12 October as Pedro I, the first Emperor of Brazil. The new country was huge, sparsely populated, and ethnically diverse.

Unlike most of the neighboring Hispanic American republics, Brazil had political stability, vibrant economic growth, constitutionally guaranteed freedom of speech, and respect for civil rights of its subjects, albeit with legal restrictions on women and slaves, the latter regarded as property and not citizens. The Empire's bicameral parliament was elected under comparatively democratic methods for the era, as were the provincial and local legislatures. This led to a long ideological conflict between Pedro I and a sizable parliamentary faction over the role of the monarch in the government. He also had to face other obstacles. The unsuccessful Cisplatine War against the neighboring United Provinces of the Río de la Plata in 1828 led to the secession of the province of Cisplatina (later to become Uruguay). In 1826, despite his role in Brazilian independence, he became the king of Portugal; he abdicated the Portuguese throne in favor of Maria, his eldest daughter. Two years later, she was usurped by Pedro I's younger brother Miguel. Unable to deal with both Brazilian and Portuguese affairs, Pedro I abdicated his Brazilian throne on 7 April 1831 and immediately departed for Europe to restore his daughter to the Portuguese throne.

Dom Pedro I (12 October 1798 – 24 September 1834), known in Brazil and in Portugal as "the Liberator" (Portuguese: o Libertador) or "the Soldier King" (o Rei Soldado) in Portugal, was the founder and first ruler of the Empire of Brazil from 1822 to 1831 (under the name of Pedro I) and King of Portugal in 1826 (under the name of Pedro IV).

Born in Lisbon, Pedro was the fourth child of King Dom John VI of Portugal and Queen Carlota Joaquina, and thus a member of the House of Braganza. When the country was invaded by French troops in 1807, he and his family fled to Portugal's largest and wealthiest colony, Brazil. The outbreak of the Liberal Revolution of 1820 in Lisbon compelled Pedro I's father to return to Portugal in April 1821, leaving him to rule Brazil as regent. He had to deal with challenges from revolutionaries and insubordination by Portuguese troops, all of which he subdued. The Portuguese government's threat to revoke the political autonomy that Brazil had enjoyed since 1808 was met with widespread discontent in Brazil. Pedro I chose the Brazilian side and declared Brazil's independence from Portugal on 7 September 1822. On 12 October, he was acclaimed Brazilian emperor and by March 1824 had defeated all armies loyal to Portugal. A few months later, Pedro I crushed the short-lived Confederation of the Equator, a failed secession attempt by provincial rebels in Brazil's northeast.

Bonapartist Spain was a Napoleonic client state established in 1808 after Napoleon, who had stationed his Imperial Army in Spain under the pretense of a joint Franco–Spanish invasion of Portugal, forced the ruling Spanish Bourbons to abdicate, and installed his brother, Joseph Bonaparte on the Spanish throne, which ignited a people's revolt by Spanish citizens and led to the Peninsular War, where France was defeated and forced to retreat from Spain.

The kingdom was officially known as Kingdom of (the) Spain(s) and (the) Indies, with "the Indies" referring to the East and West Indies as well as Spain's colonial possessions more broadly. It never managed to exert control over these territories however, not only did the French invasion weaken Spain's grasp on its overseas empire, kickstarting the Spanish American wars of independence, but even on the Spanish mainland, the House of Bonaparte's grip was tenuous. Large parts of the country came under the control of juntas, which remained loyal to Ferdinand VII and the old Bourbon kingdom, allying with the Coalition forces of Britain and Portugal to undermine the French occupation.

The United Kingdom of Portugal, Brazil and the Algarves was a pluricontinental monarchy formed by the elevation of the Portuguese colony named State of Brazil to the status of a kingdom and by the simultaneous union of that Kingdom of Brazil with the Kingdom of Portugal and the Kingdom of the Algarves, constituting a single state consisting of three kingdoms.

The United Kingdom of Portugal, Brazil and the Algarves was formed in 1815, following the transfer of the Portuguese court to Brazil during the Napoleonic invasions of Portugal, and it continued to exist for about one year after the court's return to Europe, being de facto dissolved in 1822, when Brazil proclaimed its independence. The dissolution of the United Kingdom was accepted by Portugal and formalized de jure in 1825, when Portugal recognized the independent Empire of Brazil.

The Portuguese royal court transferred from Lisbon to the Portuguese colony of Brazil in a strategic retreat of Queen Maria I, Prince Regent John (the future King John VI), the Braganza royal family, its court, and senior officials, totaling nearly 10,000 people, on 27 November 1807. The embarkment took place on 27 November, but due to weather conditions, the ships were only able to depart on 29 November. The Braganza royal family departed for Brazil just days before Napoleonic forces invaded Portugal on 1 December 1807. The Portuguese crown remained in Brazil from 1808 until the Liberal Revolution of 1820 led to the return of John VI of Portugal on 26 April 1821.

For thirteen years, Rio de Janeiro functioned as the capital of the United Kingdom of Portugal, Brazil and the Algarves in what some historians call a metropolitan reversal (i.e., a colony exercising governance over the entirety of an empire). The period in which the court was located in Rio brought significant changes to the city and its residents, and can be interpreted through several perspectives. It had profound impacts on Brazilian society, economics, infrastructure, and politics. The transfer of the prince regent and the royal court "represented the first step toward Brazilian independence, since the prince regent immediately opened the ports of Brazil to foreign shipping and turned the colonial capital into the seat of government."

The decolonization of the Americas occurred over several centuries as most of the countries in the Americas gained their independence from European rule. The American Revolution was the first in the Americas, and the British defeat in the American Revolutionary War (1775–83) was a victory against a great power, aided by France and Spain, Britain's enemies. The French Revolution in Europe followed, and collectively these events had profound effects on the Spanish, Portuguese, and French colonies in the Americas. A revolutionary wave followed, resulting in the creation of several independent countries in Latin America. The Haitian Revolution (1791–1804), perhaps one of the most successful slave uprisings in history, resulted in the independence of the French slave colony of Saint-Domingue (now Haiti). The Peninsular War with France, which resulted from the Napoleonic occupation of Spain, caused Spanish Creoles in Spanish America to question their allegiance to Spain, stoking independence movements that culminated in various Spanish American wars of independence (1808–33), which were primarily fought between opposing groups of colonists and only secondarily against Spanish forces. At the same time, the Portuguese monarchy fled to Brazil during the French invasion of Portugal. After the royal court returned to Lisbon, the prince regent, Pedro, remained in Brazil and in 1822 successfully declared himself emperor of a newly independent Brazilian Empire.

Spain would lose all three of its remaining Caribbean colonies by the end of the 1800s. Santo Domingo declared its first independence from Spain in 1821. The independent state was renamed Republic of Spanish Haiti. Haiti conquered the region shortly afterwards in 1822. Two decades later, in 1844, independence was proclaimed for the second time, and the Dominican Republic was established. This triggered the Dominican War of Independence (1844–56). In 1861, however, Spain regained control of the territory, and the colony was reestablished. The Dominican Restoration War (1863–65), the second war of liberation, led to the second independence from Spain, and the Dominican Republic's third and final independence. Cuba fought for independence from Spain in the Ten Years' War (1868–78) and Little War (1879–80) and finally the Cuban War of Independence (1895–98). American intervention in 1898 became the Spanish–American War and resulted in the United States gaining Puerto Rico, Guam (which are still U.S. territories), and the Philippine Islands in the Pacific Ocean. Under military occupation, Cuba became a U.S. protectorate until its independence in 1902.