---
title: "American Constitutional Convention"
year: 1787
country: "United States"
canonical: "https://recap.at/1787/constitutional-convention"
slug: "constitutional-convention"
recapType: "global_event"
startDate: "1787-09-25"
endDate: "1787-09-17"
---

# American Constitutional Convention

> Founding delegates drafted the Constitution establishing the federal republic framework that became the model for democratic governance.

Fifty-five delegates from twelve states gathered in Philadelphia between May and September 1787 to overhaul America's governing framework. What started as a mission to patch up the failing Articles of Confederation turned into a wholesale rewrite—the delegates scrapped the old system entirely and drafted the U.S. Constitution, creating a stronger federal government with separation of powers. The document they produced became the foundation of American law and one of history's most consequential political blueprints.

## Summary

The Constitutional Convention took place in Philadelphia from May 25 to September 17, 1787. While the convention was initially intended to revise the league of states and the first system of federal government under the Articles of Confederation, leading proponents of the Constitutional Convention, including James Madison of Virginia and Alexander Hamilton of New York, sought to create a new frame of government rather than revise the existing one. Delegates elected George Washington of Virginia, former commanding general of the Continental Army in the American Revolutionary War and a proponent of a stronger national government, to serve as president of the convention. While the Constitutional Convention has been the only Federal one, the fifty states have held 233 constitutional conventions. The 1787 convention ultimately debated and ratified the Constitution of the United States, making the convention one of the most significant events in American history.

## Key facts

- **Duration**: May 25 – September 17, 1787
- **Location**: Pennsylvania State House, Philadelphia
- **Delegates present**: 55 from 12 states (Rhode Island absent)
- **Signatories**: 39 delegates signed the final document
- **Principal architect**: James Madison
- **President of Convention**: George Washington
- **Ratification requirement**: 9 of 13 states needed to ratify Constitution
- **Key compromise**: Great Compromise resolved representation dispute between large and small states

## Timeline

- **1787-05-25** - Convention opens
  Delegates convene at Pennsylvania State House with George Washington elected president of the Convention. A quorum of seven states is achieved.
- **1787-05-29** - Virginia Plan introduced
  James Madison presents the Virginia Plan, proposing a strong federal government with bicameral legislature and executive. It becomes the template for initial debates.
- **1787-06-15** - New Jersey Plan unveiled
  Small states counter with the New Jersey Plan, advocating for equal state representation. The conflict threatens to derail the Convention.
- **1787-07-16** - Great Compromise adopted
  Delegates agree to a bicameral Congress: House apportioned by population, Senate with two seats per state. The breakthrough allows substantive progress.
- **1787-08-06** - Draft constitution circulated
  The Committee of Detail presents a working draft to the full Convention, consolidating weeks of debate into enforceable language.
- **1787-09-08** - Committee of Style finalizes language
  Gouverneur Morris and the style committee polish the draft into its final form. Last-minute amendments are debated and resolved.
- **1787-09-17** - Constitution signed
  39 delegates sign the completed Constitution. Benjamin Franklin urges reluctant delegates to support it despite reservations. The document is sent to Congress for transmittal to the states.

## Voices

- **James Madison, Virginia Delegate and Convention Participant** (official, celebratory) - Preamble to the U.S. Constitution, adopted September 17, 1787
  > We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defence, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution.
- **George Washington, Convention President** (official, supportive) - Synthesized from period accounts - Convention closing statements, September 17, 1787
  > I consent, Sir, to this Constitution because I expect no better, and because I know not whether it is not the best. The Constitution, like all human institutions, is imperfect.
- **Patrick Henry, Virginia Antifederalist Opponent** (skeptic, skeptical) - Synthesized from period accounts - Virginia Ratification Convention speeches, June 1788
  > I smell a rat. This Constitution is a squirrel hunt, and the hunter has not caught the squirrel yet. The Constitution proposed will not secure our liberty.
- **Benjamin Franklin, Pennsylvania Delegate** (analyst, predictive) - Synthesized from period accounts - Convention floor observations, summer 1787
  > When you assemble a number of men to have the advantage of their joint wisdom, you inevitably assemble with those men all their prejudices. The Constitution is the result of mutual concessions.
- **Alexander Hamilton, New York Delegate** (expert, supportive) - Synthesized from period accounts - Convention debates and Federalist Papers, 1787-1788
  > A vigorous national government is in itself the best security against seditious combinations. The new Constitution vests far greater powers in federal authority than the existing confederation allowed.

## Impact

The Convention produced a constitutional framework that replaced a dysfunctional confederation with a three-branch federal system. It resolved fundamental questions about sovereignty, representation, and executive power that had paralyzed the young nation. The document they drafted still governs the United States and has served as a model for democracies worldwide.

## Sources

- [American Constitutional Convention](https://en.wikipedia.org/wiki/Constitutional_Convention_(United_States)) - Wikipedia

---
Canonical: https://recap.at/1787/constitutional-convention