History of the world

The history of the world is the history of humanity (or human history), as determined from archaeology, anthropology, genetics, linguistics, and other disciplines; and, for periods since the invention of writing, from recorded history and from secondary sources and studies.

Humanity's written history was preceded by its prehistory, beginning with the Palaeolithic Era ("Early Stone Age"), followed by the Neolithic Era ("New Stone Age"). The Neolithic saw the Agricultural Revolution begin, between 8000 and 5000 BCE, in the Near East's Fertile Crescent. The Agricultural Revolution marked a fundamental change in history, with humans beginning the systematic husbandry of plants and animals. As agriculture advanced, most humans transitioned from a nomadic to a settled lifestyle as farmers in permanent settlements. The relative security and increased productivity provided by farming allowed communities to expand into increasingly larger units, fostered by advances in transportation.

Whether in prehistoric or historic times, people always had to be near reliable sources of potable water. Cities developed on river banks as early as 3000 BCE, when some of the first well-developed settlements arose in Mesopotamia, on the banks of Egypt's Nile River, in the Indus River valley, and along China's rivers. As farming developed, grain agriculture became more sophisticated and prompted a division of labour to store food between growing seasons. Labour divisions led to the rise of a leisured upper class and the development of cities, which provided the foundation for civilization. The growing complexity of human societies necessitated systems of accounting and writing.

With civilizations flourishing, ancient history ("Antiquity," including the Classical Age, up to about 500 CE) saw the rise and fall of empires. Post-classical history (the "Middle Ages," c. 500–1500 CE ) witnessed the rise of Christianity, the Islamic Golden Age (c. 750 CE – c. 1258 CE), and the early Italian Renaissance (from around 1300 CE). The Early Modern Period, sometimes referred to as the "European Age", from about 1500 to 1800, included the Age of Enlightenment and the Age of Discovery. The mid-15th-century invention of modern printing, employing movable type, revolutionized communication and facilitated ever wider dissemination of information, helping end the Middle Ages and ushering in the Scientific Revolution. By the 18th century, the accumulation of knowledge and technology had reached a critical mass that brought about the Industrial Revolution and began the Late Modern Period, which starts around 1800 and includes the current day.

This scheme of historical periodization (dividing history into Antiquity, Post-Classical, Early Modern, and Late Modern periods) was developed for, and applies best to, the history of the Old World, particularly Europe and the Mediterranean. Outside this region, including ancient China and ancient India, historical timelines unfolded differently. However, by the 18th century, due to extensive world trade and colonization, the histories of most civilizations had become substantially intertwined. In the last quarter-millennium, the rates of growth of population, knowledge, technology, communications, commerce, weapons destructiveness, and environmental degradation have greatly accelerated, creating opportunities and perils that now confront the planet's human communities.

Genetic measurements indicate that the ape lineage which would lead to Homo sapiens diverged from the lineage that would lead to the bonobo, the closest living relative of modern humans, around 4.6 to 6.2 million years ago. Anatomically modern humans arose in Africa about 200,000 years ago, and reached behavioural modernity about 50,000 years ago.

Modern humans spread rapidly from Africa into the frost-free zones of Europe and Asia around 60,000 years ago. The rapid expansion of humankind to North America and Oceania took place at the climax of the most recent ice age, when temperate regions of today were extremely inhospitable. Yet, humans had colonized nearly all the ice-free parts of the globe by the end of the Ice Age, some 12,000 years ago. Other hominids such as Homo erectus had been using simple wood and stone tools for millennia, but as time progressed, tools became far more refined and complex. Perhaps as early as 1.8 million years ago, but certainly by 500,000 years ago, humans began using fire for heat and cooking. They also developed language in the Paleolithic period and a conceptual repertoire that included systematic burial of the dead and adornment of the living. Early artistic expression can be found in the form of cave paintings and sculptures made from ivory, stone, and bone, showing a spirituality generally interpreted as animism, or even shamanism. During this period, all humans lived as hunter-gatherers, and were generally nomadic. Archaeological and genetic data suggest that the source populations of Paleolithic hunter-gatherers survived in sparsely wooded areas and dispersed through areas of high primary productivity while avoiding dense forest cover.

The Neolithic Revolution, beginning around 10,000 BCE, saw the development of agriculture, which fundamentally changed the human lifestyle. Farming developed around 10,000 BCE in the Middle East, around 7000 BCE in what is now China, about 6000 BCE in the Indus Valley and Europe, and about 4000 BCE in the Americas. Cultivation of cereal crops and the domestication of animals occurred around 8500 BCE in the Middle East, where wheat and barley were the first crops and sheep and goats were domesticated. In the Indus Valley, crops were cultivated by 6000 BCE, along with domesticated cattle. The Yellow River valley in China cultivated millet and other cereal crops by about 7000 BCE, but the Yangtze River valley domesticated rice earlier, by at least 8000 BCE. In the Americas, sunflowers were cultivated by about 4000 BCE, and corn and beans were domesticated in Central America by 3500 BCE. Potatoes were first cultivated in the Andes Mountains of South America, where the llama was also domesticated. Metal-working, starting with copper around 6000 BCE, was first used for tools and ornaments. Gold soon followed, with its main use being for ornaments. The need for metal ores stimulated trade, as many of the areas of early human settlement were lacking in ores. Bronze, an alloy of copper and tin, is first known from about 2500 BCE, but did not become widely used until much later.

This page was last edited on 12 March 2018, at 06:58.
Reference: https://en.wikipedia.org/wiki/History_of_the_world under CC BY-SA license.

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