It was

An era is a period of time comprised of millions of years that marks a before and after on the planet, therefore, they are characterized by having presented changes that gave rise to the natural environment that we have today.

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Not only does it have to do with geological changes, but the word is also used in other areas.

Features and Uses

There are geological eras that spanned a number of important years, approximately one thousand each, of which important data are known that are the object of study in many sciences.

The term is also used to denote a historical time in which certain technology was used, certain type of music was listened to or any other characteristic different from other periods of time. They can also be classified according to the political moment of a continent or country that has influence for a large part of the world population: empires, dictatorships, religion, etc.

Therefore, there are eras that can be counted chronologically, but others have diffuse beginnings and ends , as they depend on changes in culture and social needs that arise over time.

Examples of era

  • The eras linked to every kingdom and empire in Ancient Egypt and Babylon.
  • It was Byzantine.
  • It was Christian , counted from year 1 to the present, that is, it is our common era.
  • It was Abraham’s , started on October 1, 2100 BC. This era is used by the historian Eusebio de Cesárea.
  • It was of the Hegira or it was of Muhammad.
  • It was from the Olympics or it was Olympic, which only consists of four years and is counted from the first Olympic games (776 BC) until now.
  • She was a Diocletian , during the 4th and 5th centuries.
  • She was Hispanic , which began on January 1, 38 BC. C. It is used in Spain, southern France and North Africa.
  • It was governed by the French republican calendar.
  • It was Roman that begins from the foundation of Rome, 753 a. C.
  • She was Filipino (Spain, between 1556 and 1665, by the succession of kings named Felipe)
  • Era de Pombal (in Portugal, between 1750 and 1777, by the Marquis of Pombal)
  • Napoleonic era (between 1799 and 1815, by Napoleon Bonaparte)
  • Era de Franco (in Spain, between 1936 and 1975, by Francisco Franco)
  • She was Georgian (in England, between 1714 and 1830, by the succession of kings named Jorge)
  • It was Victorian (in Great Britain, between 1830 and 1914, by Queen Victoria of England)
  • Metternich era (Between 1814 and 1848, also known as the Metternich system, by Austrian Chancellor Klemens von Metternich)

Geological eras:

  • Cenozoic.
  • Mesozoic
  • Paleozoic.
  • Neoproterozoic
  • Mesoproterozoic.
  • Paleoproterozoic.
  • Neoarchic.
  • Mesoarchic.
  • Paleoarchic.
  • Eoarchic

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