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Puerto Rico: Polity Style: 1952-2025

25 Jul 1952 Puerto Rico constituted an unincorporated territory of the United States in accordance with the Constitution of the Commonwealth of Puerto Rico | Constitución del Estado Libre Asociado de Puerto Rico adopted by the Constitutional Convention| Convención Constituyente held in San Juan on 4 Feb 1952, signed on 6 Feb 1952, ratified by the people in the referendum held on 3 Mar 1952, approved by a joint resolution of the Congress of the United States of 3 Jul 1952, effective on the issuance of a Proclamation by the Governor of Puerto Rico on 25 Jul 1952 (Documents on the Constitutional History, pp. 164-198) [1]
25 Jul 1952 - Estado Libre Asociado de Puerto Rico = Commonwealth of Puerto Rico [2]
5 Apr 1991 Spanish is recognized as the sole official language in accordance with an act passed by the Legislative Assembly of Puerto Rico (signed into law on 5 Apr 1991 with immediate effect) (Puerto Rico Session Laws, Part 1, Acts, 11th Legislature, 1991, pp. 17-20) [3]
28 Jan 1993 Spanish and English are recognized as the official languages in accordance with an act passed by the Legislative Assembly of Puerto Rico (signed into law on 28 Jan 1993 with immediate effect) (Puerto Session Laws, Part 1, Acts, 12th Legislature, 1993, pp. 1-5) [4]
  1. The Congress of the United States approved the Constitution of the Commonwealth of Puerto Rico by a joint resolution (3 Jul 1952), imposing certain conditions subject to the acceptance by the Constitutional Convention of Puerto Rico. The Convention accepted the conditions at the session held on 10 Jul 1952, thus completing the final step for the ratification of the Constitution.
  2. Spanish and English names are equal in status except for the period between 5 Apr 1991 and 28 Jan 1993 when Spanish was the sole official language.
  3. Full title: An Act To declare and establish that Spanish shall be the official language of Puerto Rico to be used in all government departments, munici- palities or other political subdivisions, agencies, public corpora- tions, offices and dependencies of the Executive, Legislative and Judiciary Branches of the Commonwealth of Puerto Rico and to repeal the Act approved February 21, 1902, "An Act concerning the language to be used in the Departments, Courts and Offices of the Insular Government" (printed as Act. No. 4).
  4. Full title: An Act To establish that Spanish and English shall be the official languages of the Government of Puerto Rico, and that both can be used indistinctively; and to repeal Act No. 4 of April 5, 1991 (printed as Act No. 1).