The Historia Regum Britanniae

The "Historia Regum Britanniae," written in the 12th century by Geoffrey of Monmouth, is a historical account of British kings from the legendary figures of Brutus, who is said to have founded Britain, to the death of King Arthur. Blending history with myth, it shaped the perception of Britain’s past, influencing literature and national identity. The work popularized the Arthurian legends and introduced key characters like Merlin, contributing significantly to medieval romance and history. While its historical accuracy is debated, it remains a foundational text in the understanding of British folklore and heritage.