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The categorisation of the past into discrete, quantified named blocks of time is called periodization. [1] This is a list of such named time periods as defined in various fields of study. These can be divided broadly into prehistorical periods and historical periods (when written records began to be kept).
Common Era (CE) and Before the Common Era (BCE) are year notations for the Gregorian calendar (and its predecessor, the Julian calendar), the world's most widely used calendar era. Common Era and Before the Common Era are alternatives to the original Anno Domini (AD) and Before Christ (BC) notations used for the same calendar era. The two ...
The world in 300. Year 300 was a leap year starting on Monday of the Julian calendar.At the time, it was known as the Year of the Consulship of Constantius and Valerius (or, less frequently, year 1053 Ab urbe condita).
The once and future school: Three hundred and fifty years of American secondary education (1996). Parkerson Donald H., and Jo Ann Parkerson. Transitions in American education: a social history of teaching (2001) online; Reese, William J. America's Public Schools: From the Common School to No Child Left Behind (Johns Hopkins U. Press, 2005 ...
The 3rd century BC started the first day of 300 BC and ended the last day of 201 BC. It is considered part of the Classical Era , epoch , or historical period . In the Mediterranean Basin , the first few decades of this century were characterized by a balance of power between the Greek Hellenistic kingdoms in the east, and the great mercantile ...
Jaspers introduced the concept of an Axial Age in his book Vom Ursprung und Ziel der Geschichte (The Origin and Goal of History), [7] published in 1949. The simultaneous appearance of thinkers and philosophers in different areas of the world had been remarked by numerous authors since the 18th century, notably by the French Indologist Abraham Hyacinthe Anquetil-Duperron. [8]
The medieval period began with the fall of the Western Roman Empire in the 5th century CE and was marked by the spread of Christianity. [78] Starting in the 15th century, European exploration and colonization interconnected the globe, while cultural, intellectual, and scientific developments transformed Western societies. [79]
In total, the population of the world doubled in the time period, from approximately 210 million in 500 CE to 461 million in 1500 CE. [7] The population generally grew steadily throughout the period but endured some incidental declines due to events including the Plague of Justinian , the Mongol invasions , and the Black Death .