5 Algunos de los Imperios Más grandes de la historia(Ingles).

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The Roman Empire encompassed 6,500,000 square kilometers in its maximum extension.

Mongolian Empire

The steppes extend over more than 5,000 kilometers, from the Danube plain in eastern Europe, through southern Russia and Central Asia, to Manchuria. Its climate is hard, with very cold winters and dry summers. The steppes were inhabited by tribes of nomadic shepherds who traveled Long distances with their flocks of horses, sheep and goats.

Throughout history, from time to time, lots of warriors have attacked the peoples who lived around its frontiers emerged from the steppes, as happened with the well-known Attila, whose incursions sowed terror in Europe in the fifth century AD. Although they frightened and destroyed everything they encountered, the territorial empires of these tribes of riders never lasted for long because they lacked political structures or organization. Their leaders were only effective in the measure in which they obtained booty for their armies.

The most outstanding of the steppe warrior of all times was Temujin, better known as Genghis Khan. He adopted this title, which means "universal ruler", in 1206, after uniting under his power All mongolian tribes. In order to remain in power, one had to be constantly occupied with His warriors, for when the flow of war booty was interrupted, they abandoned him. So that Genghis Khan kept his army active on the basis of constant incursions and campaigns that took him From the north of China, crossing Central Asia, to India and Iran, and around the Black Sea to the south Of Russia, conquering an empire much more extensive than that of Alexander the Great. His armies conquered Tibet, the The Korean peninsula, Persia, Iraq and much of Russia and Hungary. In 1279, after more than a decade of Campaigns, His grandson Kublai Kan conquered the China of the Sung, taking the dynastic title of Yuan. It was the last Mongolian conquest, as the Southeast Asian campaigns did not bring new success and the attempt Of invading Japan failed two times.

The size of the Mongol empire was 34,000,000 square kilometers, two times bigger than the vast actual Russia.

Spanish Empire

After the Discovery of America in 1492, Spain colonized great extensions of territory America, from the present southwest of the United States, Mexico, and the Caribbean to Central America and Most of South America. All these territories were integrated in the crown of Castile and Initially organized in two viceroys, New Spain and Peru. With the discovery and Settlement of several Pacific archipelagos in the late sixteenth century, were incorporated into the empire The Spanish East Indies, formed by the Philippines, the Marianas (which included Guam) and The Carolinas (which included the Palaos).

Thus, the Spanish empire was the first "global empire" of History, because For the first time an empire encompassed possessions on every continent of the world. "The Empire where Did not put the Sun ", thus it was known to the Spanish Empire of Felipe II. Although it was under the reigns of Felipe II, Felipe III and Felipe IV when the maximum extension was reached, in the map superior the Spanish colonial Empire of the end of the century XVIII, when it got to have 20 Millions of square kilometers. The decision to consider 1790 as the moment of maximum extension of the Empire is due to the fact that between 1580 and 1640 the Spanish Crown had a greater empire because of the fact that Portugal and all its possessions were under the same House of Austria, Which is known as Union Ibérica. Taking into account only the Spanish conquests and possessions, the moment of maximum extension took place at the end of the eighteenth century.

The Spanish empire encompassed 20 million square kilometers.