| |
| 1st (1818-1848) [Adopted: 26 August 1818 Convention convened, 1 August 1818, Ratified: 26 August 1818 not submitted to the People; effective upon Admission, 3 December 1818] |
| 2nd (1848-1870) [Adopted: 31 August 1847 Convention convened, 7 June 1847, Ratified: 5 March 1848 ratified by vote of 59,887 to 15,859; effective, 1 April 1848] |
| 3rd (1870-1971) [Adopted: 13 May 1870 Convention convened, 13 December 1869, Ratified: 2 July 1870 ratified by vote of 134,227 to 35,443; effective, 8 August 1870] |
| 4th (1971--) [Adopted: 3 September 1970 Convention convened, 8 December 1969, Ratified: 15 December 1970 effective, 1 July 1971] |
|