18 September 1810 (from Spain)
National holiday:
Independence Day, 18 September (1810)
Constitution:
11 September 1980, effective 11 March 1981; amended 1989, 1991, 1997, 1999, 2000, 2003, and 2005
Legal system:
based on Code of 1857 derived from Spanish law and subsequent codes influenced by French and Austrian law; judicial review of legislative acts in the Supreme Court; has not accepted compulsory ICJ jurisdiction; note - in June 2005, Chile completed overhaul of its criminal justice system to a US-style adversarial system
Suffrage:
18 years of age; universal and compulsory
Executive branch: