 And then I tried to look at a different example much later, 1453, Tuesday, May 29th, 1453. Constantinople fell to the Ottomans under the Sultan Mehmed II. He had a huge army of 200,000 people below the walls. But like Carthage, the land walls of Constantinople had never been breached. And they were almost in penitential, if you look at them. The problem was the city was