Banned

http://en.wikipedia.org/wiki/French_invasion_of_RussiaTMAN78 说:Did Prussia and Russia ever have declare war against each other in the Napoleonic era?


Beaver 说:You're right. Though it didn't really exist after 1930-something except on paper, and the kingdom only existed to 1918 when it was replaced by a free state. If we're counting that one, we could also count Brandenburg-Prussia and another war or two versus Russia.