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03/04/1789 |
U.S. Constitution goes into effect. |
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09/25/1789 |
Bill of Rights is adopted in New York City. |
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09/25/1789 |
Twenty-Seventh Amendment is adopted by Congress in New York City. |
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03/04/1794 |
Eleventh Amendment is adopted in Washington, D.C. |
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06/15/1804 |
Twelfth Amendment is adopted in Washington, D.C. |
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06/19/1819 |
Maine is separated from Massachusetts. |
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11/15/1820 |
Massachusetts Constitutional Convention convenes at the State House. |
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1820 |
Massachusetts Constitution is amended to allow Catholics to hold public office. |
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04/09/1821 |
Massachusetts Constitution proposed amendments are approved by voters. |
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01/07/1822 |
Boston voters approve incorporation as city. |
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