WORLD HISTORY

Detailed explanation-1: -The Kingdom of Spain charts its origin in the marriage of Ferdinand and Isabella in 1469. Their union, and their rule, triggered a war that forged the modern world. The marriage of Ferdinand II of Aragon and Isabella I of Castile is one of the most masterful pieces of political theater in history.

Detailed explanation-2: -He married the princess Isabella of Castile in Valladolid in October 1469. This was a marriage of political opportunism, not romance. The court of Aragon dreamed of a return to Castile, and Isabella needed help to gain succession to the throne.

Detailed explanation-3: -In 1469 the marriage of Ferdinand of Aragon and Isabella of Castile, the Catholic Monarchs, paved the way for the union of the two kingdoms to form the Kingdom of Spain, and ushered in a period of Spanish ascendancy.

Detailed explanation-4: -Explanation: The union of King Ferdinand of Aragon and Queen Isabella in 1469 created a unified, Catholic Spain. This powerful coupling reordered society as the new Spanish monarchy brought centuries-long efforts to reclaim the Iberian Peninsula from Muslims to their zenith in 1492.