Llywelyn Fawr, also known as Llywelyn the Great, was a prominent Welsh prince who lived from 1173 to 1240. He is best known for uniting various Welsh territories and leading them in resistance against English rule. His reign marked a significant period in Welsh history, as he sought to establish an independent Welsh state. Llywelyn was the first to be officially recognized as the Prince of Wales in 1216. He played a crucial role in the political landscape of medieval Britain, forming alliances and engaging in conflicts with both the English crown and other Welsh leaders. His legacy continues to influence Welsh identity and nationalism today.