[zng]

I think it should also be tied to when each country was last in a war and/or involved in a major international conflict.

I see France and Germany being more present in war and conflicts much more so than (for example) Sweden, Finland in the past 100 years.

Interesting in any case! :)

[democracy]

Not sure about Sweden but Finland had 4 military conflicts with USSR before end of WW2. They also oficially took part in Nazi operations. So let's be honest about it. And before "100 years ago" they were part of Russian empire. History is never black and white.