Brain Game: The European Seven

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Feel free to consult a European map to assist you with today's Brain Game; a quick examination may help lead you to the answer. Good luck!

Geographically, what do these seven independent European
nations - but no others on the continent - have in common?

Denmark, Holy See (Vatican City), Republic of Ireland,
Monaco, Portugal, San Marino, United Kingdom.

Here is the SOLUTION.
November 2, 2009 - 2:30am