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politics and government of
The current Constitution of Chile was approved by Chilean voters in a controversial plebiscite on September 11th 1980, under the military dictatorship of Augusto Pinochet. It was partially enacted on March 11th 1981 and has been fully effective since March 11th 1990. It was amended considerably on August 17th 1989 (via referendum) and on 22 September 2005 (legislatively), and also in 1991, 1994, 1997, 1999, 2000, 2001, 2003, 2007, 2008, 2009, and 2010. It is Chile's eighth constitution, replacing the constitution of 1925.
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According to the law professor Camel Cazor Aliste, the Constitution of 1980 has problems of legitimacy stemming from two facts. First, the constitutional commission was not representative of the political spectrum of Chile since its members had been handpicked by the Pinochet dictatorship, and opponents of the regime had been deliberately excluded. Also, the constitution's approval was achieved by the government in a controversial and tightly-controlled referendum in 1980.
Despite controversy about its conception, it has been frequently modified (nearly 20 times) since democracy was reinstated, with corresponding Parliamentary approval.