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
Regiment of Artillery of the Nation Regiment of Artillery of the Nation The Regiment of Artillery of the Nation () was an Argentine regiment established in 1812 and disbanded in 1820. It fought in the Argentine War of Independence. During the times of the Viceroyalty of the Río de la Plata, the artillery was managed by the "Royal Body of Artillery". The Primera Junta, the government since the May Revolution, disbanded it and created instead the "Regiment of Flying Artillery" on May 29, 1810, relocating some members of the former one. The "Regiment of Flying Artillery" was disbanded in 1812, and replaced by the "Regiment of