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13th Amendment Timeline
April 8, 1864: The Senate passes the 13th Amendment
January 31, 1865: The House of Representatives passes the 13th Amendment
February 1, 1865: President Abraham Lincoln signs the joint resolution that submits the 13th Amendment to the states
December 6, 1865: The 13th Amendment is ratified by the required 27 states and becomes law
December 18, 1865: The 13th Amendment is proclaimed https://constitutioncenter.org/the-constitution/amendments/amendment-xiii -
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14th Amendment Timeline
June 16, 1866: The amendment was submitted for ratification
June 8, 1866: The Senate passed the amendment
July 9, 1868: The amendment was ratified and entered into force https://constitutioncenter.org/the-constitution/amendments/amendment-xiv -
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15th Amendment Timeline
December 7, 1868
House Joint Resolution proposing the 15th Amendment
February 26, 1869
Congress passes the 15th Amendment
February 3, 1870
The 15th Amendment is ratified
March 30, 1870
The 15th Amendment is formally adopted and proclaimed as part of the Constitution https://constitutioncenter.org/the-constitution/amendments/amendment-xv -
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19th Amendment Timeline
Passed by Congress June 4, 1919
Ratified on August 18, 1920 https://constitutioncenter.org/the-constitution/amendments/amendment-xix -
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26th Amenment Timeline
March 10th, 1971 U.S. Senate Voted in favor of proposed amendment
March 23rd, 1971 Went to states for ratification
July 5th, 1971 Officially went into effect https://constitutioncenter.org/the-constitution/amendments/amendment-xxvi