Constitution Day, also called Citizenship Day, is observed each year on September 17th , the same day the United States Constitutional Convention signed the Constitution back in 1787. This event commemorates the formation and signing of the Constitution of the United States and recognizes all who have become US citizens.
Some interesting facts about the Constitution include (taken from http://www.constitutionfacts.com/us-constitution-amendments/fascinating-facts/):
The U.S. Constitution is the oldest and shortest written Constitution of any major government in the world.
The Constitution contains 4,543 words, including the signatures and has four sheets, 28-3/4 inches by 23-5/8 inches each. It contains 7,591 words including the 27 amendments.
Since 1952, the Constitution has been on display in the National Archives Building in Washington, DC. Currently, all four pages are displayed behind protective glass framed with titanium. To preserve the parchment’s quality, the cases contain argon gas and are kept at 67 degrees Fahrenheit with a relative humidity of 40 percent.
As evidence of its continued flexibility, the Constitution has only been changed seventeen times since 1791.
Of the spelling errors in the Constitution, “Pensylvania” above the signers’ names is probably the most glaring.
The oldest person to sign the Constitution was Benjamin Franklin (81). The youngest was Jonathan Dayton of New Jersey (26).
When the Constitution was signed, the United States’ population was 4 million. It is now more than 309 million. Philadelphia was the nation’s largest city, with 40,000 inhabitants.
The first time the formal term “The United States of America” was used was in the Declaration of Independence.
George Washington and James Madison were the only Presidents who signed the Constitution.