Puerto Rico switched from Spanish control to American control during the Spanish-American war. At the time, Puerto Rico belonged to Spain, but United States forces invaded in July and secured the island by mid-August. Th... More »

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During World War I, Germany, Austria and the other countries in the Ottoman Empire formed the Central Powers and fought against the Allied Powers, which consisted of Russia, Japan, Great Britain, Italy and France. The wa... More »

The Vietnam War was fought in an attempt to stem the communist rule of Vietnam; it did not succeed in its objectives despite massive loss of life for both South and North Vietnamese and the United States, who stepped in ... More »

Puerto Rico is not independent as of February 2015. The island is a territory of the United States; it was previously under the rule of the Spanish Empire. More »

After rebellion broke out in Cuba in 1895, the Spanish-American war began when reports of Spain's vicious military tactics led to public outcry in the United States. The destruction of an American battleship, the USS Mai... More »

Christopher Columbus discovered Puerto Rico on Nov. 19, 1493, during his second voyage from Spain. The island was inhabited by thousands of Taino Indians, who called the island "Boriken," which means "the great land of t... More »

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Consisting of around two thirds of Puerto Rico's population as of 2014, Roman Catholicism is the major religion, although Protestant Christianity is also a common religion, with more than 25 percent of the territory's pe... More »