From close scrutiny of the available data, the researchers have traced ancient history to the pre-Harppan period.

Amioun is a very old settlement whose history can be traced back to the Paleolithic period.

The origins of Beeston can be traced back to the medieval period.

The history of Northwich can be traced back to the Roman period.

His family's presence in the country traced back to the period preceding the American Revolution.

The origins of the three nations now present in Bosnia and Herzegovina can be traced back to the period between ca. 1500.

"The consumer society can be traced back to the Elizabethan period," he said.

Beer in Sweden has a history that can be traced to the Viking period.

And the roots of virtually every current approach to classical-music video can be traced to the period before 1940.

The gate's architectural style is traced to the Tuglaq period in view of its massive thickness.