In their world, time travel has been known since the early 21st century.

The instrument has been known by its modern name at least since the 14th century.

The existence of petroleum has been known since the 8th century.

Military occupation of the site has been known since the 12th century.

It has been known for its textiles since the 19th century.

It has been known to the West since the 17th century.

There this kind of sausage has been known since the 13th century.

However, the town's light is known since the 16th century.

However, its history is more well known since the 15th century.

The hybrid has been known at least since the 17th century.