Roughly, Walt. Roughly. The US really didn't get under way till roughly two decades after the DoI was signed. It was more than one decade, and I rounded up. Sue Me.
but
Fly your state flag on Independence day. That's what it's all about - State Independence.
And
Don't Forget
A Voluntary Union (with Consent of the Governed) Is a More Perfect Union.
You're too dumb to even know when to let it drop.
ARTICLE IThe Stile of this Confederacy shall be "The United States of America".
The Articles were adopted in 1781, five years after the D of I was signed, not twenty years.