 Half of the Zamboanga peninsula was made into a Corregimiento (district) de Zamboanga with its jurisdiction reaching as far as Sindangan to the north and the whole of Basilan island to the south, while the northern half of the peninsula belonged to the District of Misamis.In 1837, the government was changed to a Gobierno Militar.Zamboanga was made the capital of Mindanao throughout the Spanish regime, except the period between 1872 and 1875, when the government was at Cottabato.