Constitutions - United States - Browse by Source Name - M - Full list

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Maine Constitution Adopted by Constitutional Convention October 29, 1819
Ratified by vote of the People December 6, 1819
Maryland Constitution Adopted by Constitutional Convention August 17, 1867
Ratified by vote of the People September 18, 1867
Became effective upon Admission October 5, 1867
Massachusetts Constitution Adopted by Constitutional Convention March 2, 1780
Ratified June 15, 1780
Became Effective October 25, 1780
Michigan Constitution Adopted by Constitutional Convention August 1, 1962
Ratified by vote of the People april 1, 1963
Became effective upon Admission January 1, 1964
Minnesota Constitution Adopted by Constitutional Convention August 29, 1857
Ratified by vote of the People October 13, 1857
Became effective upon Admission May 11, 1858
Mississippi Constitution Adopted by Constitutional Convention Novermber 1, 1890
Ratified Novermber 1, 1890
Missouri Constitution Adopted by Constitutional Convention September 29, 1944
Ratified by vote of the People February 27, 1945
Became effective upon Admission March 30, 1945
Montana Constitution Adopted by Constitutional Convention March 22, 1972
Ratified by vote of the People June 6, 1972
Became effective upon Admission July 1, 1973

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