Chinese history is typically divided into several main periods: Ancient China, Imperial China, and Modern China. Ancient China covers the earliest civilizations up to around 221 BC, while Imperial China spans from the Qin Dynasty in 221 BC to the end of the Qing Dynasty in 1912. Modern China begins with the establishment of the Republic of China in 1912 and continues to the present day.
Periods
A.D. and B.C.
fossil record geologic time scale
how was the chin dynasty divided
Periodization refers to categorizing periods of history by name. Some examples of named periods of history include the Middle Ages, Gothic, and Baroque.
The three periods of Roman history were the monarchy, the republic and the principate. They were divided this way by the types of government in those periods.
The measurement of Earth's history divided into time periods is called the geological time scale. It is divided into eons, eras, periods, epochs, and ages, with each unit representing a significant change in Earth's geological and biological history.
Periods
BC and AD.
A.D. and B.C.
Geologic history is divided, from largest amount of time to smallest amount of time, by eons, eras, periods, and epochs.
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The Earth's history is divided into geologic time periods, with the largest unit being eons, which are further divided into eras, periods, epochs, and ages. The current eon we are in is the Phanerozoic eon, divided into the Paleozoic, Mesozoic, and Cenozoic eras. Each division represents significant changes in Earth's geological and biological history.
fossil record geologic time scale
The four long periods of history are ancient history, medieval history, modern history, and contemporary history. These periods are typically divided based on major social, political, and cultural developments that occurred during each time period.
Stone age
fossil record geologic time scale