The usurpation of the Spanish throne by Napoleon's brother Joseph in 1808 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 September 18, 1810. The Government Junta of Chile proclaimed Chile an autonomous republic within the Spanish monarchy (in memory of this day Chile celebrates its National Day on September 18 each year). After these events, a movement for total independence, under the command of José Miguel Carrera (one of the most renowned patriots) and his two brothers Juan José and Luis Carrera, soon gained a wider following. Spanish attempts to re-impose arbitrary rule during what was called the Reconquista led to a prolonged struggle, including infighting from Bernardo O'Higgins, w