U.S. Constitution Goes Into Effect
Verified
Date
March 04, 1789
Type
National
Author
hjwilson1975
Location
New York,
New York,
United States
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Categories
Political & Governance
Event Details
The United States Constitution officially went into effect on March 4, 1789, as the First Congress met in New York City, replacing the Articles of Confederation.
It established the framework of the federal government, defining the three branches of government and their respective powers.