From the blog "Wrapin About the War"

Today is July 4th, and as we're often told, the date marks an important turning point in American history. Pardon? No, not that turning point, back in 1776. Yes, that one was a fairly big deal too, I'll grant you. But the one I'm talking about is said to have taken place in 1863, with the retreat of the Army of Northern Virginia following the three-day battle of Gettysburg. According to tradition in fact, this was the biggest of big turning points in the American Civil War. Only one minor probl