A complete fucking shambles all around
I've been working my way through Peter H. Wilson's 851 page history of the Thirty Year's War, Europe's Tragedy.
Although I'm only up to page 255 and the war hasn't even started yet, I think I'm confident in saying that it probably won't end well.
The other lesson we can all take away is; religious nutcases + heavy weaponry + great power rivalry = start panicking now.
It also involved something called "the Diet of Worms".
*Oh, stop snickering down the back.