On This Day in 1787: u.s. Constitution Signed

September 17, 2018
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September 17, 1787:
U.S. Constitution Signed


Our nation’s founding document is the world’s longest surviving written charter of government.

The Constitutional Convention

  • Who:_A 55 delegates attended the Convention, but only 39 signed.
  • When: Written during four-month Convention (May 25 – Sept 17, 1787).
  • Where: Philadelphia, Pennsylvania.
  • Why: Establish our federal gov’t (executive, judicial, legislative) and divide power between the federal gov’t & states.


  • In 1933, the 21st Amendment repealed the 18th Amendment, and put an end to Prohibition – the ONLY amendment ever repealed in our nation’s history.
  • The Constitution’s first ten amendments are the Bill of Rights.
  • The Constitution has been amended 27 times, most recently in 1992 (re: lawmaker pay).
“We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defense, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution for the United States of America.”

Preamble to the U.S. Constitution

In June 1788, New Hampshire became the 9th of 13 states to ratify the Constitution. Our new Federal government came into existence in 1789.

by Jenna Lee,