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The Constitution defines the fundamental law of the U.S. federal government, setting forth the three principal branches of the federal government and outlining their jurisdictions. It has become the landmark legal document of the Western world, and is the oldest written national constitution currently in effect.

Primary Documents

Bill of Rights
About The Federalist
The Federalist Papers (LOC)

The Senate & the Constitution

            Senate Related Clauses of the Constitution
            The Senate's Impeachment Role
            United States Senate Expulsion Cases
            United States Senate Censure Cases

Constitutional Qualifications for Senators

The Term of a Senator: When does it Begin and End? (PDF)
Seventeenth Amendment

Advice & Consent

Advice & Consent Nominations
Advice & Consent Treaties

Amending the Constitution

Measures Proposed to Amend the Constitution
Constitution of the United States of America: Analysis and Interpretation, CRS (GPO-govInfo).
About Selected Amendments
The Civil War & Reconstruction Amendments
Thirteenth Amendment
Fourteenth Amendment
Fifteenth Amendment
Seventeenth Amendment
Nineteenth Amendment

Interpretation of the Constitution by the Supreme Court

The Supreme Court is the highest tribunal of the United States for all cases and controversies arising under the Constitution. As the final arbiter of the law, the Court is charged with ensuring equal justice under law and functions as guardian and interpreter of the Constitution.
Find a Supreme Court Case of Findlaw.

Constitution Day
            Constitution Day 2021 | Mixed Government, Bicameralism, and the Creation of the U.S. Senate
            Constitution Day 2020 | Celebrating Constitution Day   About
            Constitution Day 2019 | Woman Suffrage Centennial: "We the Undersigned": Suffragists Petition the Senate
            Constitution Day 2018 | On Equal Footing: The Constitution, the Senate, and the Expanding United States

Related Items


Resources on the Constitution (PDF)
Children's Books on the Constitution

Related Web Pages

Censure |   Elections |   Expulsion |   Judiciary |   Nominations |   Treaties