The best Historical Game alternative to European War is Imperial Domination, which is free. If that doesn't work for you, our users have ranked more than 10 alternatives to European War, but unfortunately only two of them are Historical Games.
Imperial Domination II is a turn-based strategy game, set after the conquests of Alexander the Great and before the rise of the Romans. Expand your empire by trade, diplomacy, knowledge or just brute force. It's up to your to decide the fate of Europe.
Age of History is a turn-based strategy game in which your object is to dominate the world.
Poland
EU