The Zollverein is historically unique because previous unions of states had been military, not economic.

It would be ironic but not historically unique if the theft of part of a nation's heritage turned out to be its salvation.

Somewhere, sometime, someone may see in these two points a massive, historically unique problem and a quite simple solution: the Designer Plague.

For Weber, every society was historically unique and complex.

There is one way, however, in which the Dominican Republic is historically unique.

At 1600 Pennsylvania Avenue, each occupied the historically unique role of alter ego to the president.

She embodies Valencia's historically unique role in caring for society's most down-trodden members.

Visit the Old town of Kedainiai - an impressive and historically unique place.

I am sure that there is no need either for me to emphasize that reunification was the only correct decision in this historically unique situation.

Augustus created his novel and historically unique position through consolidating the constitutional powers of several Republican offices.