In OTL, the idea of a regional conflict esscalating into a massive free-for-all among powers across europe didn't really appear in the form we know it until the Thirty Years War. Is it possible for it to happen sooner?
In OTL, the idea of a regional conflict esscalating into a massive free-for-all among powers across europe didn't really appear in the form we know it until the Thirty Years War. Is it possible for it to happen sooner?