Upon becoming King of Spain, Philip II was the ruler of one of the largest empires the world had ever seen. During his long life, he attempted to expand the power of Spain, centralize the government, and protect the Catholic Church against Protestant reformers.Click to see full answer. Keeping this in view, what were the accomplishments of Philip II?Philip II’s accomplishments originated him as a very well known king. Philip II was a hard-working ruler who was ushered in the Golden Age of Spain, being the most powerful nation. He was the most powerful monarch, he also helped the Catholic Church persecute Protestants during the Counter-Reformation.Furthermore, what unique or important things did Philip II do? Philip was the self-proclaimed protector of the Roman Catholic Church. He sought to limit the spread of Protestantism, and he ultimately completed the work of unification begun by Ferdinand and Isabella (the “Catholic Monarchs”) in the Iberian Peninsula. Read more about the house of Habsburg and the Habsburg dynasty. Regarding this, what were Philip II successes and failures? Failures. Philip II was not able to stop the rebellion in the Netherlands or able to stop Protestants there. He was not able to conquer England because he couldn’t stop the English defeat of the Spanish Armada in 1588. His greatest failing was himself, he only relied on others and mistrusted his own judgement.What did Philip II rule?Philip II of Spain (Spanish: Felipe II; 21 May 1527 – 13 September 1598) was King of Spain (1556–98), King of Portugal (1581–98, as Philip I, Portuguese: Filipe I), King of Naples and Sicily (both from 1554), and jure uxoris King of England and Ireland (during his marriage to Queen Mary I from 1554 to 1558).

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