To make it easier to study
Historians traditionally divide the original 13 colonies into three regions. They divided the colonies into the New England Colonies, the Middle Colonies, and the Southern Colonies.
There have been several ways that historians divide and label large parts of historical times. One way is the term "age" such as the bronze age; Another term is "period", for example, during this period of time in the Roman republic..... As the Roman republic was several centuries in length, this term fits also. Another term is "era" for example, the era in which the Ming Dynasty ruled China, there was peace in Asia. The above are examples, not meant to be "facts". The terms, however, have been used frequently.
Earth's history is divided into eras.
During the crusades
The 1300's to 1800's.
That is the only way they can record radical changes that separate periods.
The periods used to divide world history by historians are the Middle Ages, Late Middle Ages, Dark Ages, Stone Age, Iron Age, Bronze Age, pre-war, post-war, and many others to mark events, prehistory, and notable periods.
Historians divide ancient Egypt's history into three periods: the Old Kingdom, the Middle Kingdom, and the New Kingdom.
Historians divide ancient Egypt's history into three periods: the Old Kingdom, the Middle Kingdom, and the New Kingdom.
Probably because it helps to easily identify different time periods in history that hadsimilar events taking place.
1963, 1975, & 1980
watch apocalypto
Probably because it helps to easily identify different time periods in history that hadsimilar events taking place.
By language
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periods
Historians traditionally divide the original 13 colonies into three regions. They divided the colonies into the New England Colonies, the Middle Colonies, and the Southern Colonies.