Constitutions

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