Constitution of Portugal

The Constitution of Portugal, officially the Constitution of the Portuguese Republic (Constituição da República Portuguesa), is the supreme law of Portugal. Approved on 2 April 1976 and becoming effective on 25 April of the same year, it superseded the Estado Novo's 1933 Constitution after the Carnation Revolution. The 1976 Constitution has been amended or revised seven times since its ratification, in 1982, 1989, 1992, 1997, 2001, 2004 and 2005.

The Constitution was preceded by a number of constitutions including the first one created in 1822 (following the Liberal Revolution of 1820), 1826 (drawn up by King Dom Pedro IV), 1838 (after the Liberal Wars), 1911 (following the 5 October 1910 revolution), and 1933 (after the 28 May 1926 coup d'état).