19th century new national borders. The Concert of Europe attempted to preserve this settlement was established to preserve these borders, with limited impact. Most countries in Central America and South America obtained independence from colonial overlords during the 19th century. In 1804, Haiti gained independence from France. In Mexico, the Mexican War of Independence was a decade-long conflict that ended in Mexican independence in 1821. Due to the Napoleonic Wars, the royal family of Portugal relocated to Brazil from 1808-1821, leading to Brazil having a separate monarchy from Portugal. The Federal Republic of Central America gained independence from Spain in 1821 and
Serb volunteers in the Greek War of Independence Serb volunteers in the Greek War of Independence Some Serbs joined the Greeks, their co-religionists, in the Greek War of Independence (1821–29). Volunteers arrived from Serbia, Montenegro, and territories still under Ottoman rule, to fight alongside the Greek rebels against the Ottoman Empire. Several of the volunteers were veterans of the Serbian Revolution, such as Hadži-Prodan, During the first decades of the 19th century, the First Serbian Uprising and the secret preparations for a Greek revolution coincided. The news of the Serbian revolt of 1804 were received with great joy by the Greeks, who viewed it as a paradigm for