Casimiro Biguá

Chilean colonization of the Strait of Magellan and in the 1860s he entered an alliance with Argentine authorities. In a bid to establish Argentine sovereignty over the strait Argentine "ad-hoc agent" Luis Piedra Buena brought Biguá to Buenos Aires where met President Bartolomé Mitre and was declared lieutenant colonel of the Argentine Army and granted a salary accordingly.^[1] In 1866 he signed a treaty with Argentine authorities where the Tehuelche were recognized as Argentine citizens and Argentine sovereignty up to the strait of Magellan was declared.^[2] The influence of Casimiro Biguá in political affairs declined in the late 1860s.^[2]