The Rise of Man
The Entire History of the World
- Our World HD Documentary
The Entire History of the World
The term "prehistory" can refer to the vast span of time since the beginning of the Universe, but more often it refers to the period since life appeared on Earth, or even more specifically to the time since human-like beings appeared.[4][5] In dividing up human prehistory, historians typically use the three-age system, whereas scholars of pre-human time periods typically use the well-defined geologic record and its internationally defined stratum base within the geologic time scale. The three-age system is the periodization of human prehistory into three consecutive time periods, named for their respective predominant tool-making technologies: the Stone Age, Bronze Age, and Iron Age. This system emerged during the late nineteenth century in the work of British, German and Scandinavian archaeologists, antiquarians and anthropologists.[6] Another division of history and prehistory can be made between those written events that can be precisely dated by use of a continuous calendar dating from current and those that can't. The loss of continuity of calendar date most often occurs when a civilization falls and the language and calendar fall into disuse. The current civilization therefore loses the ability to precisely date events written through primary sources to events dated to current calendar dating.[original research?]
The occurrence of written materials (and so the beginning of local "historic times") varies generally to cultures classified within either the late Bronze Age or within the Iron Age. Historians increasingly do not restrict themselves to evidence from written records and are coming to rely more upon evidence from the natural and social sciences, thereby blurring the distinction between the terms "history" and "prehistory".[7][8][9] This view has been articulated by advocates of deep history.
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