Starting in September 1999 , the Chilean peso was allowed to float freely against the United States dollar for the first time . Chile 's Central Bank , however , reserved the right to intervene , which it did on two occasions to counter " excessive depreciation " . First , in August and September 2001 , coinciding with Argentina 's convertibility crisis and with the September 11 attacks in the United States , and in October 2002 , during Brazil 's presidential election
September 11 attacks
September 11 attacks
Chilean peso