Prince Llywelyn the Great was a prominent Welsh leader who ruled from 1195 to 1240. He is best known for uniting various Welsh principalities and asserting Welsh independence against English encroachment. Llywelyn's leadership helped to strengthen the cultural identity of Wales during a time of political fragmentation. Llywelyn was recognized as the first official Prince of Wales and played a crucial role in the Welsh Wars against the English crown. His reign marked a significant period in Welsh history, as he sought to establish a strong and unified nation, leaving a lasting legacy that influenced future generations.