Duke Conan I of Brittany was a prominent figure in the medieval history of Brittany, a region in northwestern France. He ruled from 990 until his death in 1008 and was known for his efforts to strengthen the duchy and its independence from external influences. His reign marked a period of consolidation for the Brittany duchy, as he worked to unify the various factions within the region. Conan I was the son of Judicael, a previous duke, and he played a significant role in the political landscape of Brittany. He is often remembered for his alliances and conflicts with neighboring territories, which helped shape the future of the duchy. His legacy continued through his descendants, who would further develop the region's identity.