Philip IV became King of which European country in 1621?
Philip IV of Spain Philip IV of Spain Philip IV of Spain (; 8 April 1605 – 17 September 1665) was King of Spain (as "Philip IV" in Castile and "Philip III" in Aragon) and Portugal as Philip III (). He ascended the thrones in 1621 and reigned in Spain until his death and in Portugal until 1640. Philip is remembered for his patronage of the arts, including such artists as Diego Velázquez, and his rule over Spain during the Thirty Years' War. On the eve of his death in 1665, the Spanish Empire had reached approximately 12.2 million square kilometers (4.7 million square
Philip IV of Spain an influence over the future king; de Zúñiga first began to develop his own influence over Prince Philip, and then introduced his nephew, Olivares, to the prince, ten years old at the time. At first, Philip did not particularly take to Olivares. Over the course of at least a year, however, the relationship became very close, with Philip's tendency towards underconfidence and diffidence counteracted by Olivares' drive and determination. Olivares rapidly became Philip's most trusted advisor, and when Philip ascended the throne in 1621, at the age of sixteen, he showed his confidence in Olivares by ordering that all papers