The Duke of Exeter is a title in the English nobility, historically associated with the city of Exeter in Devon. The title was first created in 1443 for Henry Holland, who was a prominent figure during the Wars of the Roses. The Duke of Exeter has been linked to various historical events and figures, including the House of Lancaster and the House of York. The title has been held by several individuals over the centuries, with the most recent creation occurring in 1803. The Duke of Exeter is part of the British peerage system, which includes various ranks such as duke, marquess, earl, and baron. The title is currently dormant, meaning it is not actively held by anyone.