how many years in one central era
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On December 11th 2020 it will have been exactly 20 years since the Energy Regulators' Regional Association was inaugurated during the founding General Assembly meeting in Bucharest through an adoption of the association's name, seat and constitution
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An era in geology is a time of several hundred million years. It describes a long series of rock strata which geologists decide should be given a name. An example is the Mesozoic era, when dinosaurs lived on the Earth. An era is made up of periods, and several eras make up an eon.
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