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Welcome to ConSource

Over the last 10 years, ConSource has connected thousands of American citizens of all ages to our nation’s constitutional history by creating a comprehensive, easily searchable, fully-indexed, and freely accessible digital library of historical sources related to the creation, ratification, and amendment of the United States Constitution. Our team not only curates important digital collections of historical materials, but also creates research reports and educational resources to meet the specific needs of scholars and authors, legal practitioners and government officials, educators and students, journalists and the general public.

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From the Blog: The 229th Anniversary of the Ratification of the Constitution

Tue, 20 Jun 2017

On June 21, 1788, the United States Constitution became the official governing document of the United States when New Hampshire became the ninth of thirteen states to ratify it.

After the delegates to the Constitutional Convention signed the Constitution on September 17, 1787, the document was submitted to the states for popular ratification. The process for ratification is laid out in Article VII of the Constitution, which reads: “The ratification of the conventions of nine states, shall be sufficient for the establishment of this Constitution between the states so ratifying the same.”

On July 23, 1787, the Constitutional Convention delegates ...

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