History_Lovers

 Different Types Of  Eras What is Era?  A period of time known for particular Events or Developments . An Era is a span of time defined for the purposes of Chronology  or Historiography .  Our Earth's age is 4.543 billon years . There are so many Eras have passed.  Era is thing to indicate time. But Era is created in so many ways. Era is created by any particular Incident or any particular Man or anything.  There are Different Types of Eras like Regnal Eras, Calendar Eras, Geological Eras This article is about Geological Eras.  Geological Era.  Geological Era means it define the history of earth . About when was the first living organisms was born, about the age of dinosaurs, when was the human born like that.  We have Five Geological Eras They are:-  1.Ezoic Era: Lowe pre-cambrian  2.Ezoic Era: Upper pre-cambrian 3.palaeozonic Era 4.Mesozoic Era 5.Caenozoic Era 1.Ezoic Era : Lowe pre-cambrian. Time 3000-1200 Million years ago.  In this Era the living organism was born in this eart