Llewelyn the Great was a prominent Welsh prince who ruled from 1195 to 1240. He is best known for uniting various Welsh principalities and resisting English domination during his reign. Llewelyn sought to establish an independent Welsh kingdom and was recognized as the Prince of Wales by the Pope in 1205. Llewelyn's leadership was marked by military campaigns against the English crown, particularly under King John. His efforts to consolidate power and promote Welsh culture left a lasting legacy, influencing future generations of Welsh leaders. Llewelyn's reign is often seen as a pivotal moment in the struggle for Welsh independence.