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Old Stone Age characterized by the development of the first stone tools, hunting and gathering societies, and cave art.

Period marked by the flourishing of Greek and Roman civilizations, notable for philosophy, art, and the establishment of law and citizenship.

Period in British history marked by the reign of Queen Victoria, industrialization, and strict social codes of conduct.

Period characterized by the widespread use of iron tools and weapons, development of complex societies, and varied cultural expressions.

Middle Stone Age marked by the advent of microliths, smaller stone tools, the beginnings of agriculture, and domestication of dogs.

Period of English history marked by the reign of Queen Elizabeth I, noted for accomplishments in the arts, exploration, and the beginning of the English empire.

Period marked by the use of bronze, early writing systems, trade networks, and the rise of civilization.

Phase of rapid industrialization marked by the transition to new manufacturing processes, urbanization, and socio-economic changes.

Chinese dynasty known for its trade expansion to the outside world that established cultural ties with the West, and the construction of the Great Wall.

Period of 'rebirth' in Europe marked by renewed interest in classical learning, artistic flowering, and scientific discovery.

South American empire noted for its unique administrative system, network of roads, and sophisticated agricultural terraces.

Era following the fall of the Roman Empire, characterized by feudalism, the spread of Christianity, and the Crusades.

New Stone Age known for the establishment of farming communities, advancement in tool technology, and the creation of pottery.

Copper Age in which copper metalworking was introduced to stone tool technology, leading to an increase in trade and urbanization.