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| 1st (1776-1851) [Adopted: 11 November 1776 Convention convened, 14 August 1776, Ratified: 11 November 1776 not submitted to the People] |
| 2nd (1851-1864) [Adopted: 13 May 1851 Convention convened, 4 November 1850, Ratified: 4 June 1851 effective, 4 July 1851] |
| 3rd (1864-1867) [Adopted: 6 September 1864 Convention convened, 27 April 1864, Ratified: 13 October 1864 ratified by a vote of 30,174 to 29,799: a most controversial result at a time when the State, while not part of the Confederacy, was a hotbed of much pro-Southern sentiment: the vote of those voting at their usual polling places was opposed to this Constitution by 29,536 to 27,541; however, the soldiers' vote (but only that of those soldiers from Maryland serving in the Union Army) was overwhelmingly in favor (2,633 to 263) and was, therefore, enough to make the total vote in favor of this Constitution] |
| 4th (1867--) [Adopted: 17 August 1867 Convention convened, 8 May 1867, Ratified: 18 September 1867 ratified by a vote of 27,152 to 23,036; effective, 5 October 1867] |
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