Known as "periodization", the categorization of periods of time according to general technological characteristics

See also Turning Points

Periodization

  • categories help to characterize periods of time for easy reference
  • however, these categories are helpful in the general and not the specific applications
    • i.e., a period of time may fall into one category, but that does not mean that every population or civilization follows that particular characterization
  • ex.
Periods
Paleolithic Nelolithic Bronze Age Iron Age
<12,000 BC ✓+
12,000 BC ✓+ ✓-
4,000 BC ✓-
1000 BC ✓- ✓+ ✓-
1 AD ✓- ✓- ✓- ✓+
  • the idea is that while farming may have developed in some places, hunting and gathering continued in most other places, until farming spread everywhere.
  • so each of these "Ages" or "Periods" existed coincidentally
  • additionally, social and political organization existed coincidentally within and across each of these periods
  • for an historic example of a person who lived in three periods at once see Otzi the Iceman

Three-Age System

  • When putting together a chronological presentation of ancient artifacts, early 19th century archeologist C. J. Thomsen found that the objects stood out in the three groups of stone, bronze and iron.
  • the ancient writers Hesiod (Greek) and Lucretius (Roman) grouped human history into "progressive" periods, i.e. either degrading or advancing from one to the other:
    • Hesiod's Ages of Man is a degradation: Golden, Silver, Bronze, Heroic and Iron.
    • Lucretius' is a progression: "Everything must pass through successive phases. Nothing remains forever what it was. Everything is on the move. Everything is transformed by nature and forced into new paths..."
  • Periodization is mostly used for archaeological categorization
  • for students, it is helpful to understand social and political structures, population growth, and trade and other forms of cultural diffusion

Major periods of human history

General dates per onset of subsequent age
Paleolithic Neolithic Copper Age Bronze Age Iron Age
rise of mankind

to 12,000 BC

12,000 BC

to 4,000 BC

5,000-3,000 BC 3,300-1,200 BC 1,200 BC to 1500 AD
Stone Age Chalcolithic period = isolated use of copper but mostly using stone tools Bronze = copper + tin and requires high-heat and specialization, as well as trade "Historical periods" start 550 BC, including Classical Age (Americas or Eurasia), Roman Period, Early Medieval, etc. These each lead to modern "industrial age" starting in the early 1800s
Prehistory (before writing) Writing
stone tools and other hand-made or natural objects copper smelting (heating, separating from other elements, and shaping into tools through molds) furnaces, smelting
some pottery, baskets pottery, baskets, ovens, farm tools simple copper tools and weapons tools, weapons, some farming equipment tools, weapons, farming equipment
Bands Tribes, villages Villages, early urbanization, Urbanization, civilizations, centralized rule & some standardization Urbanization, empires, centralized rule and standardization

See: