They used them in the Middle Ages to bring down knights on horseback.

They used a different calendar in the Middle Ages.

The object of the project is to build a castle using only the techniques and materials used in the Middle Ages.

Another blue often used in the Middle Ages was called tournesol or folium.

It was used in the Middle Ages as an antidote to certain poisons.

There were hundreds of exotic handles used in the Middle Ages to describe a witch.

They were special treaties or charters used in the Middle Ages.

How people used their voices in the Middle Ages is a disputed question.

It was much used in the Middle Ages, and is of value for the ancient history of popular medicine.

The tradition originates with the mason's marks used in the Middle Ages.