Old stone age Paleolithic Period, also spelled Paleolithic Period, also called Old Stone Age, ancient cultural stage, or level, of human development, characterized by the use of rudimentary chipped stone tools
also called New Stone Age, final stage of cultural evolution or technological development among prehistoric humans. It was characterized by stone tools shaped by polishing or grinding, dependence on domesticated plants or animals, settlement in permanent villages, and the appearance of such crafts as pottery and weaving.
An agrarian society (or agricultural society) is any society whose economy is based on producing and maintaining crops and farmland. Another way to define agrarian society is by seeing how much of a nation's total production is in agriculture.
The beginning of the post-classical age (known generally as the Middle Ages) is a period in the history of Europe following the fall of the Western Roman Empire spanning roughly five centuries from AD 500 to
Generally, the Dark Ages referred to the period of time ushered in by the fall of the Western Roman Empire.
This was a time of castles and peasants, guilds and monasteries, cathedrals and crusades. Great leaders such as Joan of Arc and Charlemagne were part of the Middle Ages as well as major events such as the Black Plague and the rise of Islam.
The Renaissance was a period in European history, from the 14th to the 17th century, regarded as the cultural bridge between the Middle Ages and modern history.
By tradition, the "Scientific Revolution" refers to historical changes in thought & belief, to changes in social & institutional organization, that unfolded in Europe between roughly 1550-1700; beginning with Nicholas Copernicus (1473-1543), who asserted a heliocentric (sun-centered) cosmos, it ended with Isaac Newton (1642-1727), who proposed universal laws and a Mechanical Universe.