The 1787 Constitutional Convention was initially called to amend the Articles of Confederation

The Articles of Confederation were the first governing documents of the United States

Drafted in 1777 and ratified in 1781, the articles created a weak national government without the ability to tax or regulate commerce. This led to problems for the new nation, necessitating the Constitutional Convention in 1787.

A 1787 convention clash led to the creation of Congress’s two chambers

This article recounts debates on September 4, 1787, when delegates at the Constitutional Convention clashed over the balance of power between large and small states, driving the compromise that created the House and Senate.

James Madison wrote the first draft of the Bill of Rights

Madison drafted the initial set of constitutional amendments in 1789. The House approved 17 amendments; the Senate reduced them to 12; and 10 were ratified as the Bill of Rights. One rejected amendment was later ratified in 1992 as the 27th Amendment.

Trace how the Bill of Rights, inspired by centuries of political theory, took shape between 1774 and 1789.

The Constitution was written in the same building where the Declaration of Independence was signed

The US Constitution was drafted in the Pennsylvania State House—the same building in Philadelphia where the Declaration of Independence was signed in 1776. Read this page from the National Constitution Center for other fast facts about the document.

The Constitution included compromises that still shape the US today

The creation of the Constitution necessitated numerous compromises to accommodate the diverse interests of the states. The significant compromises included resolutions on debates over representation in Congress and the status of enslaved individuals.

The US Constitution has been amended 27 different times since its ratification

Dive deeper into each amendment to the Constitution with resources provided by the National Constitution Center. This website features podcasts, videos, and other web resources for each of the amendments, examining their creation and their impact on today’s political and social landscape.

Rhode Island skipped the Constitutional Convention

Delegates from 12 of the original 13 states attended the 1787 Constitutional Convention. Rhode Island initially refused to participate, fearing centralized power. The state eventually joined the new republic after its ratification.

Delegates at the First Continental Congress affirmed loyalty to Britain while protesting

Delegates met in Philadelphia in 1774 to debate how to respond to British acts clamping down on trade and increasing taxes. The result of the congress was to call for the formation of colonial militias and to embargo British goods. Delegates also adopted the Declaration of Rights and Grievances, though there was broad disagreement about how to respond to Britain’s policies.

At the 1787 Constitutional Convention, Madison changed the draft language from Congress's power to "make" war to "declare" war

The change was deliberate: "make" war seemed to leave the president unable to defend the country against sudden attack, while "declare" preserved that defensive authority. The distinction between starting a war and responding to one has been debated ever since.

Read the Federalist Papers—the essays that defended the proposed Constitution

Written between 1787 and 1788, the Federalist Papers—85 essays by Alexander Hamilton, James Madison, and John Jay—defended the Constitution and articulated the logic of federalism. They remain a key guide to the original interpretation of the Constitution.

The Electoral College emerged as a compromise at the 1787 Constitutional Convention

This explainer traces how the Founding Fathers designed the Electoral College as a middle ground—balancing fears of direct popular rule against concerns about giving Congress the power to choose the president.

Madison's meticulous notes of the Constitutional Convention are the most thorough record of the event

During the Constitutional Convention, James Madison took detailed daily notes of the debates, speeches, and votes. His Notes on the Debates in the Federal Convention is the most comprehensive and authoritative account of the convention, shaping historians' understanding of the Constitution's origins.

The Founders were split on term limits during the Constitutional Convention

At the Constitutional Convention, delegates debated whether to mandate term limits. In letters, Jefferson warned that indefinite service could entrench power, while Madison argued that regular elections—not forced turnover—were the best safeguard against abuse.

Washington (reluctantly) presided over the Constitutional Convention

As presiding officer, George Washington presided over the Convention's daily proceedings—opening and adjourning sessions, recognizing speakers, enforcing debate rules, and maintaining order. He rarely spoke and used the role to facilitate deliberation rather than steer outcomes directly.

Hamilton proposed one of the strongest visions of national government

At the Constitutional Convention, Alexander Hamilton advanced a plan modeled partly on Britain's system, calling for a powerful national executive and for senators to serve for life (with good behavior)—proposals that failed to gain widespread support.

The Iroquois Confederacy's political structure may have shaped the US Constitution

Centuries before the US existed, six Indigenous nations—the Mohawk, Oneida, Onondaga, Cayuga, Seneca, and Tuscarora—united under a shared constitution known as the Great Law of Peace. Some historians argue that the framework of federalism and representative councils influenced the American founders.

See how the Declaration evolved from draft to final text

John Adams urged Congress to choose Thomas Jefferson to draft the Declaration because of his literary skill and low-profile reputation. Read Jefferson’s initial draft, which included passages later removed, including a forceful denunciation of slavery.

The Compromise of 1790 broke a deadlock over debt and the national capital

In 1790, Alexander Hamilton, James Madison, and Thomas Jefferson reached an agreement that allowed Congress to assume the states' war debts and to approve a permanent national capital on the Potomac River.

Meet the 56 signers of the Declaration of Independence—most of whom didn't put pen to paper until August 2, 1776—and see their original signatures.

The Constitution grants Congress more powers than the president

Article I outlines detailed congressional powers—taxation, spending, war declarations, and lawmaking—while Article II gives the president limited, broadly defined authority. This design reflects the framers' intention to prevent executive overreach.

The Seneca Falls Declaration was modeled on the Declaration of Independence

At the 1848 Seneca Falls Convention—the first women’s rights convention in US history—Elizabeth Cady Stanton drafted the Declaration of Sentiments, consciously modeled on the Declaration of Independence, to argue that women were denied fundamental rights and justified in demanding legal and political equality.

The State of the Union address was first delivered in New York City

The first address took place in New York City in 1790, when President George Washington addressed Congress at Federal Hall—the nation's capital under the Articles of Confederation and the seat of the federal government during the Constitution's first year.

The rivalry between Alexander Hamilton and Thomas Jefferson centered on federalism—the question of how much power the federal government should hold relative to the states.

In 1215, the Magna Carta declared that even the king was not above the law

Forced on King John by rebellious barons, the Magna Carta established limits on royal power and the principle that rulers are subject to law. Discover how this foundational text later influenced the development of constitutional government and modern human rights traditions.

Learn about political conventions held before the Civil War by Black Americans to organize for civil rights

Beginning in 1830, free Black men and women across the US and Canada held "Colored Conventions"—state and national political meetings that served as a cornerstone of 19th-century Black organizing for civil and human rights.

The Federal Reserve Act's foundation was laid in a secretive meeting at the world's most prestigious club

Republican Sen. Nelson Aldrich of Rhode Island organized a highly secretive meeting of the minds at the world’s most prestigious club on Jekyll Island, Georgia, where a who’s who in the financial world hashed out details over the course of a week.

See what it's like to live 'Constitutionally' for a year

In a 2023 interview on CBS Sunday Morning, author A.J. Jacobs discusses his attempt to live as closely as possible by the principles of the US Constitution for a whole year and the book that resulted from the experiment.

The US Constitution is widely regarded as the longest-standing written national constitution still in force—see how it has influenced rights worldwide.

Despite being favored by 87% of Americans, Congress does not have term limits.

The idea for the Federal Reserve was conceived in secret in 1910—with bankers donning duck hunt gear for disguise while traveling to a remote country club on Georgia's Jekyll Island

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

The power and influence of the American presidency have expanded significantly over time—far beyond what the founders envisioned.

After the Boston Tea Party, colonists switched to coffee, which became the main morning drink for revolutionaries.

Jimmy Carter signed a 1978 bill that legalized home brewing, a move credited with kick-starting the craft beer industry.

Many legends about George Washington, including his supposed wooden teeth and the story of cutting down the cherry tree, lack evidence.

Abraham Lincoln was almost assassinated weeks before his inauguration as he traveled from Illinois to DC through Baltimore in 1861; it took two independent claims for Lincoln to be convinced the threat was real

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

The US first hosted the World Cup in 1994, a tournament that lives in soccer infamy for its poor planning and the murder of Colombian player Andres Escobar, who'd accidentally scored on his own net.

While atoms are normally made of protons, neutrons, and electrons, exotic ones have been built with antimatter—alternate versions of normal matter that live for fractions of a second and are about a billion times as rare.

'Grand Canyon of the Yellowstone,' a work by American painter Thomas Moran, inspired Congress to establish Yellowstone National Park.

A researcher recently discovered an interview from 1967 between groundbreaking journalist Joan Didion and the Grateful Dead, years before the band became an institution.

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

The term 'algorithm' originated from the Latinized name of al-Khwārizmī, a 9th-century mathematician whose works introduced Arabic numerals and the decimal-based numeral system to Europe and whose treatise 'Al-Jabr' gave algebra its name.

The first steps to rebuilding your credit score include getting to know exactly what's on your credit report and figuring out how far you are from the '700 club,' or 'good score' range.

Learn more about the history of fireworks, which dates back to an accidental invention during an alchemist's quest for information about immortality.

As of 2025, the most cited papers in science include a review of graphene, methods to improve image recognition, streamlining electron density calculations, and optimizing protein studies.

Learn how to read a prospectus, the juicy document that any company must file with the SEC before going public.

The American cockroach is actually from Africa, an apparent hitchhiker aboard ships carrying enslaved people, with evidence suggesting the bug may have arrived in the New World as early as the 1600s.

Artificial coral reefs have been 3D printed from nontoxic, biodegradable terracotta clay, which coral polyps have used as a foundation for rebuilding marine ecosystems.