The United States Constitution was signed on September 17, 1787. On September 17th each year, the United States celebrates the virtues of the Constitution and all those who have attained American citizenship.
The Charters of Freedom
This website, from the National Archives and Records Administration, provides an excellent introduction to the Constitution and the Bill of Rights.
The Constitution: What it says/What it means
A guide to the constitution with a section by section analysis of "what it says" and "what it means." Created by Justice Learning, a collaboration of National Public Radio's "Justice Talking" radio show (produced by the Annenberg Public policy Center) and the New York Times Learning Network.
The Interactive Constitution
Created by the National Constitution Center. For each provision of the Constitution, scholars of different perspectives discuss what they agree upon, and what they disagree about. These experts were selected with the guidance of leaders of two prominent constitutional law organizations—The American Constitution Society and The Federalist Society.
Primary Documents in American History
The website consists of materials digitized from the historic collections of Library Congress.
Constitution of the United States of America: Analysis and Interpretation
The Constitution of the United States of America: Analysis and Interpretation, popularly known as the Constitution Annotated, encompasses the U.S. Constitution and analysis and interpretation of the U.S. Constitution with in-text annotations of cases decided by the Supreme Court of the United States. Visit constitution.congress.gov to access the Library of Congress' regularly updated online version of the Constitution Annotated.
Framing of the United States Constitution: A Beginner's Guide
Provides a list of online and print resources related to the creation and ratification of the Constitution.