Spain’s Middle Ages were marked by dramatic cultural contrasts, rapidly changes boundaries, and constant interaction, both good and bad, among the Christian, Muslims, and Jewish societies that shared the Iberian peninsula throughout the time frame until nearly the start of the 16th century. Until the late 1200s, religious tolerance and multiculturalism was a hallmark of Spanish royal society. Isabel (Isabella) was born at Madrigal on April 22, 1451, the daughter of John II of Castile and …showed first 75 words of 1585 total…

…showed last 75 words of 1585 total…over one of the greatest eras in the history of Spain. It is fundamentally impossible to differentiate between their individual achievements and their combined accomplishments. The two of them formed a bridge between the Middle Ages and the "modern" period of their lives. They established numerous and essential bases for national unity in Spain, created the frame work for the monarchy and political system of the time, and initiated the international policy of imperial expansion.