The team investigates the origins of a hill fort which was long thought to be Iron Age, but is now believed to be an even older defence against invasion.

The team examines skulls from the site of the 1499 battle that saw Switzerland win its independence from the Holy Roman Empire, and which changed the nature of medieval warfare.

These Norse-Gaelic clans settled in medieval Ireland and battled Norman invaders. Artefacts and bones from the era shed light on the Galloglass. 

Tim Sutherland, Malin Holst and Simon Richardson investigate the discovery of barrels containing well-preserved swords on the site of the final battle of the Hundred Years War. These weapons date back to 1453's Battle of Castillon.

Artefacts related to medieval Italian warlords and their armies of mercenaries, who provided defence for the country's city states which had great wealth but small standing armies.

Tim Sutherland, Malin Holst and Simon Richardson explore the site of a siege during the Crusades, where an earthquake preserved the bodies of the soldiers.