Kingdom of England Norman conquest of England, however, some Norman lords began to attack Wales. They conquered and ruled parts of it, acknowledging the overlordship of the Norman kings of England but with considerable local independence. Over many years these "Marcher Lords" conquered more and more of Wales, against considerable resistance led by various Welsh princes, who also often acknowledged the overlordship of the Norman kings of England. Edward I defeated Llywelyn ap Gruffudd, and so effectively conquered Wales, in 1282. He created the title Prince of Wales for his heir, the future Edward II, in 1301. Edward I's conquest was brutal and
King of Wales being from Wales he was by extension called the King of Wales, although he did not control all of the country. Nonetheless, he did unite much of the land under his power, thus demonstrating that it could be possible for Wales to exist as a unified political entity. Though he died in 878, the legacy of what he had accomplished was significant enough to act as motivation for future Welsh leaders to aspire to. This would eventually lead to the rule of Gruffudd ap Llywelyn, the first true Welsh king. From the smaller kingdoms of Wales eventually emerged four major