Constitution of the United States

Constitution of the United States	Constitution of the United States
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Page one of Jacob Shallus' officially engrossedcopy of the Constitution signed in Philadelphiaby delegates of the Constitutional Conventionin 1787	https://upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Constitution_of_the_United_States%2C_page_1.jpg/220px-Constitution_of_the_United_States%2C_page_1.jpg
Page one of Jacob Shallus' officially engrossedcopy of the Constitution signed in Philadelphiaby delegates of the Constitutional Conventionin 1787
Overview 	Overview
Jurisdiction 	United States
Created 	September 17, 1787
Presented 	September 28, 1787
Ratified 	June 21, 1788 (9 of 13 states))
Date effective 	March 4, 1789
(235 years ago)
System 	Federal presidentialrepublic
Government structure 	Government structure
Branches 	3
Chambers 	Bicameral
Executive 	President
Judiciary 	Supreme, Circuits, Districts
Federalism 	Yes
Electoral college 	Yes
Entrenchments 	2, 1 still active
History 	History
First legislature 	March 4, 1789 (11 of 13 states)
First executive 	April 30, 1789
First court 	February 2, 1790
Amendments 	27
Last amended 	May 5, 1992
Citation 	
Location 	National Archives Buildingin Washington, D.C., U.S.
Commissioned by 	Congress of the Confederation in Philadelphia, U.S.
Author(s) 	Philadelphia Convention
Signatories 	39 of the 55 delegates
Media type 	Parchment
Supersedes 	Articles of Confederation