We know that the idea of European unity is not new—it is as old as Europe itself. For many centuries, at least for six hundred years, the idea of European unity has challenged the thinking of the best minds in all the world.
Donovan, William J.
"The European Confederation,"
Naval War College Review: Vol. 5
, Article 6.
Available at: https://digital-commons.usnwc.edu/nwc-review/vol5/iss7/6