It is the most complete and best preserved city wall in all of China, dating back some 600 years.

There are a number near here, dating back some three thousand human years.

The county has a history dating back some 1800 years.

They have a long history, some dating back a couple hundred years.

But I've just heard some correlations that must date back a long way.

It is a game with numbers that may date back a century or more.

They've got quite a thick file, dating back a good long time.

As some of you have recalled, it dates back a long way.

The case dated back a while, almost a year in fact.

However, there is no evidence that this practice dated back any earlier.