Germany and Italy, of course were the most notable.
Ya, I forgot about the whole Papal States thing, but neither the consolidated Germany nor Italy were hardly the dictatorial monoliths the article implied, and I'm not recalling any real desire among the citizens of these nations to go back to their previous fragmented state after the deed was done.
Venice threatens to this day. Scotland came pretty close not long ago. Spain is and always has been wracked with separatist movements. The Balkans have been under strife for centuries. And so on and so forth.
