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For Constitution Day 2017, the IACH invited University of Texas law professor Stephen Vladeck to the OU campus for a lecture focused on an incredibly difficult question: is America in a constitutional crisis?

Pulitzer Prize-winner Gordon Wood delivered the Teach-In's luncheon address. A professor emeritus of history at Brown University, Wood spoke primarily on John Adams and Thomas Jefferson and their differing views on governance.

Johann Neem, a senior fellow of the University of Virginia’s Institute for Advanced Studies in Culture and professor of history at Western Washington University, concluded the 2017 Teach-In. He is the author of the recently published book, "Democracy’s Schools: The Rise of Public Education in America."

A professor of history at Duke University and an affiliated scholar at the American Bar Foundation, Laura Edwards' lecture charted the movement of civil rights in America following the 14th Amendment.

Eric Weitz, a distinguished professor of history and past dean of humanities and arts at City College of New York, specializes in modern German and European history. His lecture focused on Weimar Germany and the rise of the Nazi Party.

Soner Cagaptay, director of the Turkish Research Program at The Washington Institute and author of "The New Sultan: Erdogan and the Crisis of Modern Turkey," warned of the rise of authoritarianism in Turkey under President Recep Erdogan.

Stanford Humanities Center Director Dr. Caroline Winterer answers questions after her lecture on the U.S. Constitution and the idea of "an American Enlightenment" at the University of Oklahoma on September 15, 2016.

Stanford Humanities Center Director Dr. Caroline Winterer gives an IACH Constitution Day lecture on the U.S. Constitution and the idea of an "American Enlightenment," an era she calls "a wholesale fabrication" at the University of Oklahoma on September 15, 2016.

In this lecture, political science professor Ronald Keith Gaddie tells an incredibly compelling, violent story of three men vying for governorship of Georgia in the 1940s. As Gaddie puts it, the case represents "the last great deployment of Jim Crow institutions, electorally."

In this lecture, post-doctoral fellow Josh Zingher reviews Holder v. Shelby County, observing many states have already enacted strict voter ID laws since the 2013 ruling.

In 2013, a key provision of the Voting Rights Act of 1965 was struck down by the Supreme Court. Political science professor Ronald Keith Gaddie examines the reasons and the consequences and discusses the prospects for restoration.

In the second installment of his two-part lecture on personhood, professor David Chappell shifts from slavery to corporations, explaining how corporate bodies became people in the eyes of the Court.

Classics and Letters assistant professor Ben Watson highlights the Federalist Papers' example of Greek history, more specifically its loose confederation known as the Amphictyonic League, as justification for a stronger central government.

In this lecture, Classics and Letters assistant professor Ben Watson explains that Cicero, a Roman politician with a sincere belief in "a mixed constitution," was a major influence on one of America's founding fathers.

Liberty, Union & Rebel Flags

Was the Constitution the Culmination of the Revolution? Or Something Else?

The Reconstruction Amendments

The Global Impact of American Constitutional Heritage on Religious Liberty

The Basis of Legal Authority: Why We Should (or Sometimes Should Not) Obey the Law

Remembering William Lloyd Garrison: Was the Constitution a Pro-Slavery Document?

Why is There a President in the Constitution?

Why was There a Constitutional Convention?

Thomas Jefferson & Voluntary Associations in American Life

"What to the Slave is the Fourth of July?"

Oliver Wendell Holmes, Civil War soldier

A New Birth of Freedom I: From Emancipation to Abolition

A New Birth of Freedom II: The 14th Amendment

The Founders, Religion & Same-Sex Marriage

Redistricting and Representation