 The population is estimated at 210,567, 86.1 percent of whom were Spanish or of European descent, 10 percent of whom were indigenous and 3.7 percent of whom were mestizos, blacks and mulattos.In 1808, Napoleon's enthronement of his brother Joseph as the Spanish King precipitated the drive by the colony for independence from Spain.A national junta in the name of Ferdinand – heir to the deposed king – was formed on 18 September 1810.