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

The Great Compromise created Congress's two-chamber structure during the Constitutional Convention

The Great Compromise of 1787 established a bicameral Congress, balancing population-based representation in the House with equal representation for each state in the Senate—a system designed to reconcile the competing interests of large and small states.

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

Delegates initially met in 1787 to amend the Articles of Confederation, but within weeks chose to redesign the government entirely. Months of intense debate over power and representation produced the compromises that shaped the Constitution.

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.

Madison's Virginia Plan proposed a strong national government with population-based representation

Crafted by Madison and introduced at the opening of the Constitutional Convention of 1787, the Virginia Plan outlined a three-branch federal government and a bicameral legislature. This plan shaped the structure and direction of the debates that led to the creation of the US Constitution.

Congress descended into fistfights, duels, and violence before the Civil War

In the decades before the Civil War, members of the United States Congress carried weapons, assaulted colleagues, and, in one case, a congressman killed another in a duel. The violence was driven largely by sectional conflict over slavery and foreshadowed the nation's descent into war.

The debate over federalism helped produce the novel character of the United States

During ratification, Federalists argued that a strong national government was essential for national survival. Anti-Federalists warned that it could overwhelm states and threaten individual liberty—forcing compromises that shaped early American federalism and led to the adoption of the Bill of Rights.

Congress meets and legislates in the US Capitol building

The United States Capitol reflects neoclassical ideals drawn from ancient Greece and Rome. First opened to Congress in 1800 and repeatedly expanded over time, it remains the symbolic and functional home of both The House and The Senate.

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.

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.

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.

Thomas Jefferson and John Marshall clashed over national power and states' rights

Distant cousins Jefferson and Marshall advanced opposing constitutional visions—Jefferson favoring states' rights and local majorities, while Marshall defended broad federal authority and judicial review. Through decisions such as McCulloch v. Maryland, Marshall advanced national supremacy over state resistance.

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 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.

States are constitutionally mandated to draw their own congressional districts

Under Article I, Section 4 of the US Constitution, state legislatures possess the authority to determine how congressional districts are drawn. However, Congress retains the power to alter these rules if it chooses to.

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.

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.

The Senate's filibuster—a procedure that allows for unlimited debate—is not in the Constitution

In the United States Senate, the filibuster enables senators to delay or block legislation. Ending debate became possible in 1917 with a cloture rule requiring a two-thirds vote. In 1975, that was changed to 60 votes in most cases.

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.

The House of Representatives controls the $7T federal budget

The House holds the exclusive "power of the purse" to initiate revenue bills, a provision in the US Constitution designed to divide power with the Senate and give states with larger populations greater influence over federal budgeting.

The Stamp Act Congress made 'no taxation without representation' into a constitutional argument

The 1765 gathering of 27 delegates from nine colonies at New York's Federal Hall produced the Declaration of Rights and Grievances, which asserted that colonists could only be taxed by their own elected representatives. The document codified the principle that would define the road to revolution.

Congress selected the president in 1801 and 1825

In a contingent election, the United States House of Representatives is constitutionally required to choose the president, with each state delegation casting one vote when no candidate secures a majority of the electoral votes.

A section condemning slavery was cut from the Declaration

Thomas Jefferson included a passage in his original draft denouncing slavery. This explainer from the Henry Ford Museum explores why Congress removed it to preserve colonial unity and how that decision shaped the nation's earliest political compromises.

Hear an oral history of the Electoral College and why it still exists

This podcast episode traces how the Electoral College emerged from rushed compromises, slavery-era power politics, and party maneuvering—showing why the system looks the way it does today and why efforts to change it have repeatedly stalled.

The Judiciary Act of 1789 created the foundation of the federal justice system

Passed by the First Congress, the Judiciary Act of 1789 established the federal court system, the Office of the Attorney General, and the US Marshals Service—the first law concerning national law enforcement and legal administration.

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

Hear about the secret room where your rights are decided

A court designed to be the least powerful branch became one of the most influential institutions in history. 1440 Explores host Sony Kassam dives inside the Supreme Court of the United States, with help from Yale law professor Akhil Reed Amar, to uncover how it gained extraordinary authority, what really happens behind closed doors, and why its power has become one of the most fiercely contested questions in modern democracy.

The Concert of Europe was an earlier attempt to manage great power relations through shared rules

After the Napoleonic wars, European powers established a system of regular consultation to manage conflicts and maintain the balance of power. It offered relative stability for nearly a century before deteriorating.

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.

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.

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 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

Explore an interactive map of battles from the American Revolution, along with detailed summaries of each engagement

Hear about the 250-year history of the United States Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

Roughly 43 million US borrowers owe roughly $1.7T in student debt, the second-largest source of consumer debt behind mortgages.

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

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

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

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

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.

Explore chaos in this simulation of two double pendulums, where small differences in the release angles produce wildly different outcomes.

After NASA's Voyager 1 captured Earth as a single pixel as it left the solar system in 1990, astronomer Carl Sagan used the image to reflect on humanity's fragility and the responsibility to protect 'the only world we've ever known.'

For centuries, it was common to sleep in two shifts: a few hours at the beginning of the night, and a longer period beginning around midnight

70 years ago today, city officials in Santa Cruz, California, banned rock 'n' roll to protect its youth from corruption after witnessing a 'provocative' concert the night before.

Corals are themselves not coral reefs—the term refers to the tiny marine invertebrates that build the rigid reef.

Ebola infects and disables immune cells, triggering a cascade of events that leads to small blood clots throughout the body, weakening blood vessels and interrupting blood flow to key organs.

English mathematician Ada Lovelace wrote the first computer algorithm a century before computers existed and hypothesized that computing devices would one day be able to compose music—foreseeing the generative AI systems of today.