It was September 17 1787.
The U.S. Constitution was ratified. Constitution Day.
September 17, 1787
The Constitution was signed on September 17,1787. Hoped I helped out a little:).
September 17 1787
The United States Constitution was written on September 17, 1787
September 17, 1787
September 17, 1787
September 17th,1787 was the day the Constitution emerged from the Philadelphia convention. You can read all about the Constitution and it's concept in "The Federalist Papers".
September 17th was called Constitution day in 1787. See the link below for more information.
September 17, 1787
Delaware's flag is a flag that says December 7, 1787, which is the day it ratified the constitution and became the first state of our nation.
The US Constitution was established in 9/24/1787.