I'll give it another 12 hours. That'll be 5 for Age of Nationalism, though it would start at the end of a  war very reminiscent of the [b]Napoleonic War[/b].

But since it looks inevitable, we can talk mechanics here.

There'll be four major mechanics: [b]Government[/b], [b]Economics[/b], [b]Culture[/b] and [b]Military[/b].