(Translated by https://www.hiragana.jp/)
1.977 million years ago - the geological timescale - Wikimedia toolserver

1.977 million years ago

by Smith609, design adapted from Luxo's

on the international stratigraphic timescale 
When Phanerozoic era, Cenozoic eon, Quaternary period, Pleistocene subperiod, Gelasian epoch
Timeline
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Compiled using data from the GeoWhen database. Discuss or improve this implementation by Martin Smith.
Geological timescale is licensed under a Creative Commons Attribution-Share Alike 3.0 Unported License. Creative Commons License.