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Collage of historical American figures, documents, and political cartoons including Jefferson and Adams, Ronald Reagan and Tip O'Neil, the Declaration of Independence, and more.

Compromise Timeline

Sixteen landmark moments of American political compromise — from the Declaration of Independence and the Missouri Compromise through Reagan-O’Neill and Clinton-Gingrich — each linked to primary sources and video.

1776

Gilt-framed engraved Declaration of Independence with an eagle, portraits of Washington, Hancock, and Jefferson, and state seals.

The Declaration of Independence

1787

Close-up of the handwritten preamble of the U.S. Constitution, beginning "We the People," in ornate calligraphy on aged parchment.

The Constitution

1790

Side-by-side painted portraits of two men in dark coats and white cravats, Thomas Jefferson on the left and Alexander Hamilton on the right.

Capital and the Capital: The Jefferson-Hamilton Compromise

1800

Side-by-side painted portraits of Thomas Jefferson, left, and John Adams, right, both with white hair and dark coats.

The Revolution of 1800

1820

Brown roadside marker reading “Historic Missouri Compromise Line 1820, 36°30' N Latitude,” with an Oklahoma emblem.

The Missouri Compromise

1850

Engraving of Henry Clay addressing the U.S. Senate in 1850 as senators listen and spectators fill the gallery above.

The Compromise of 1850

1854

The Kansas-Nebraska Act abandons the Missouri Compromise

Prelude to the Civil War

1877

Thomas Nast cartoon of a White League member and a Klansman shaking hands over a shield showing a grieving Black family.

The Compromise of 1877: Republicans retain the White House in exchange for Democratic control of the South

1902

Political cartoon of Theodore Roosevelt as a schoolmaster scolding coal barons labeled Morgan, Baer, and Markle in a classroom.

The United Mine Strike: From confrontation to arbitration

1933

Side-by-side black-and-white portraits of two men in suits, both former U.S. presidents.

The Great Depression & The New Deal

1948

Oval painted portrait of a gray-haired man with round glasses, wearing a pinstriped suit, polka-dot tie, and pocket square.

The Vandenberg Resolution

1964

Black-and-white photograph of a group of men in suits smiling and flashing V-for-victory signs around a table.

The Civil Rights Act

1965

Color photograph of a man signing legislation at a desk while an older man sits beside him and officials look on.

MEDICARE/MEDICAID

1977

Senator Bob Dole seated at a hearing dais beside George McGovern, behind a nameplate reading “Sen. Dole.”

Food Stamps: Senators Bob Dole & George McGovern

1981-1988

Color photograph of two men in suits standing with their heads close together, one resting a hand on the other’s shoulder.

Reagan-O’Neill: Social Security Reform and Tax Reform

1995-1998

Color photograph of two men in dark suits standing close together, one leaning in to speak while the other listens.

Clinton-Gingrich: Welfare Reform & Tax Reform