It is on a site which has been used for worship since Celtic times.

The route through the pass has been used since prehistoric times.

People have been using metals for many purposes since prehistoric times.

Baldrics have been used since ancient times, usually as part of military dress.

Contracts similar to options are believed to have been used since ancient times.

Aquaculture has been used since ancient times and can be found in many cultures.

Some assume that the rock on which the fort stands was used since ancient times as a military position.

Leeches have been used in medical procedures since ancient times.

Both are economically important products which have been used since prehistoric times.

They have been used for transportation since ancient times, linking the many cultural groups of the region.