They both hold a great historical value for the people and the region.
So the collection was kept together and its great historical value has not been lost.
My father had bought the home because of its historical value.
Other sites too have their own religious and historical values.
Maybe it's not flying any longer, but the historical value is huge.
In recent years the historical value of these has come to be appreciated.
These are documents that have huge historical and policy value for the city as a whole.
The 15-folio long letter is certainly of a historical and literary value.
The workers are likely to hit something of historical value every time they put shovel to earth.
Possibly if they have a local historical value, but otherwise no.