The document summarizes key events in Spanish history from the marriage of Ferdinand and Isabella and the discovery of America under Christopher Columbus, which brought wealth and started the Spanish Empire. It then discusses Spain's expansion and decline, including revolts, wars with other European powers over succession, and the loss of Spanish American territories to the United States in the Spanish-American War. The document concludes with an overview of civil wars in Spain, the establishment of a dictatorship under General Franco after the Spanish Civil War, and Spain's transition to democracy after Franco's death.