It will also challenge historians to explain why the political combat of the 90's was so fierce.

One historian explains these statistics this way: "Condoms were cheaper than children."

One historian explains how well organized it was in Connecticut:

A historian can explain what the role of that unit was in rounding up Jews or carrying out killings.

I don't think even the historians will explain it in the next 50 years.

"I've been wanting to speak to you," the historian explained.

Costumed naturalists and historians on the train explain the region's history.

As one historian explains, Brown was successful in polarizing politics:

Our historians could explain it better than I can, but all the signs are there.

Several social trends have sparked this interest, culinary historians explain.