The Dukedom of Lincoln is a title in the British peerage, created in 1437. It was established for the Earl of Lincoln, a title that has historical significance in England. The dukedom has been held by various noble families over the centuries, contributing to its rich heritage. The title is associated with the city of Lincoln, located in the East Midlands of England. The dukedom has seen periods of prominence and decline, reflecting the changing political landscape of the country. Today, it remains a part of the British aristocracy, though it is not currently active.