Puerto Rico: Polity Style: 1952-2024 |
25 Jul 1952 |
constituted as an unincorporated territory of the United States on the taking effect of the Constitution by Proclamation of the Governor of Puerto Rico as provided by Article IX, Section 10 of the Constitution [Documents on the Constitutional History, 198] |
25 Jul 1952 - |
Estado Libre Asociado de Puerto Rico = Commonwealth of Puerto Rico [1] |
5 Apr 1991 |
Spanish is declared to be the sole official language, Law No. 4 of 5 Apr 1991 (Laws of Puerto Rico Annotated, tit. 1, § 51) [2] |
28 Jan 1993 |
Spanish and English are declared to be official languages, Law No. 1 of 28 Jan 1993 [3] |