Earth history between 1.8 and 0.8 billion years ago, characterized by tectonic stability, climatic stasis, and a slow biological evolution with very low oxygen levels and no evidence of glaciation. It dates to about 1.8 billion years ago, during the Orosirian period. It was part of Proterozoic.
Before and after
- from about 4.1 billion years ago to 3.8 billion years agoLate Heavy Bombardment
- from about 3.92 billion years ago to 3.85 billion years agoNectarian
- from about 2.4 billion years ago to 2.1 billion years agoHuronian glaciation
- from about 1.8 billion years ago to 800 million years agoBoring Billion
- about 543 million years agoCambrian explosion
- about 444 million years agoOrdovician–Silurian extinction event
- from about 380 million years ago to 280 million years agoVariscan orogeny
- about 375 million years agoFish with limbs begin to walk: tetrapods evolve
- about 372 million years agoLate Devonian extinction
More in Earth & climate
- 79 CEVesuvius buries Pompeii and Herculaneum
- from 1303 to 1850Little Ice Age
- from October 1347 to January 1351The Black Death reaches Europe
- 1938Establishment of Mount Olympus
- 2001Establishment of Phong Nha–Ke Bang National Park
- 11 March 2020The WHO declares COVID-19 a pandemic
The era
This moment belongs to the Proterozoic (2.5 billion years ago to 539 million years ago), oxygen, complex cells and Snowball Earth.