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HISTORY OF ASIA
 
 


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The mountain ranges of Europe and Asia

When the great land masses of Africa and India collide with Europe and Asia, about 100 million years ago, they cause the crust of the earth to crumple upwards in a long almost continuous ridge of high ground - from the Alps, through Turkey, Iran and Afghanistan to the Himalayas. This barrier will have a profound influence on human history.

To the south and east of the mountain range are various fertile regions, watered by great rivers flowing from the mountains. By contrast, north of the mountain range is a continuous strip of less fertile grasslands - the steppes, on which a horseman can ride almost without interruption from Mongolia to Moscow.
 









This unbroken stretch of land north of the mountains, reaching from the Pacific in the east to the Atlantic in the west, means that the boundary between Asia and Europe is a somewhat vague concept. Indeed Europe is really the western peninsula of the much larger mass of Asia.

In the south there is a natural barrier, long accepted as a dividing line - formed by the waters of the Dardanelles, the Sea of Marmara, the Bosphorus and the Black Sea. North from here the boundary is notional. In recent times it has been accepted as passing east from the Black Sea to the Caspian and then stretching north from the Caspian along the eastern slopes of the Ural mountains.
 






Out of Africa: more than a million years ago

Homo erectus is the variety of human who moves out of the continent of Africa, to spread through much of Asia and Europe. This move from Africa is usually dated to about a million years ago, but this may be too recent. First reports of two skulls found in 1999 at Dmanisi, in South Georgia, describe them as 1.8 million years old.

Fossil remains of this kind have been found as far afield as Java in southeast Asia (the first to be discovered, in 1891), Beijing in northern China, and within Europe in Greece, Germany and England - in addition to numerous sites in Africa. The European skulls differ from the Asian in various ways (larger brains, smaller teeth), causing some anthropologists to classify them not as Homo erectus but as an archaic version of our own species, Homo sapiens.
 








The spread of our species: from 60,000 years ago

After Homo erectus has spread through the linked central land mass of our planet (Africa and Eurasia), he is succeeded within that region by varieties of Homo sapiens - the Neanderthals and then modern humans. It is modern humans who take the next step in colonizing the habitable earth.

The dates are still uncertain and much disputed. But at some time after 60,000 years ago people cross from southeast Asia to Borneo, the Philippines, New Guinea and Australia. And at some time after 30,000 years ago humans make the short but difficult leap from northeast Asia to northwest America.
 








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