The Founders first declared their independence from the tyranny that beset our country. It was only because the King rejected that, that a bloody war was fought to gain it.
Things could (and probably will) go much differently this time. The federal government doesn't have the muscle to stop one or several states from leaving the union, should they so choose that path.
It's looking more and more to me, that the beast in DC is going to push us in that direction. There's only so much a people can stand before they snap.
They were fighting for more than a year before the Declaration was signed.