"• The Age of Discovery for Spain spanned from 1469 to 1598, marked by significant exploration and colonization efforts. \n• Key figures include Ferdinand of Aragon and Isabella of Castile, whose marriage united Spain and facilitated overseas expansion. \n• Christopher Columbus's 1492 voyage, sponsored by the Spanish Crown, led to the discovery of the Americas and the beginning of Spanish colonial dominance. \n• The Treaty of Tordesillas (1494) divided newly discovered lands between Spain and Portugal, impacting European colonial ambitions. \n• The Spanish Empire expanded rapidly, establishing colonies in the Caribbean, parts of North America, and South America, leading to vast wealth from resources like gold and silver. \n• The encomienda system was implemented for labor exploitation of Indigenous peoples, resulting in significant demographic and cultural changes. \n• Spain's influence during this period was further solidified by the establishment of trade routes and the spread of Christianity, particularly through missionary efforts. \n• The decline of Spanish power began in the late 16th century due to economic troubles, military conflicts, and the challenge from other European powers, marking the end of its golden age."