Events
Formation of the EarthThe Cambrian Explosion of Life. The emergence of a huge amount of organisimsThe Iron Catastrophe. When the heavy elements sank and formed the coreThe Great Oxygenation Event. When earth's atmosphere and ocean had a rise in oxygenAge of fossils in John Day Formation, oldestOldest Evidence of Life on Earth. Found in Rock from CanadaOldest Fossil. Stormatolites. Found in Rock in AustraliaThe First Eukaryotic CellsThe Age of Accretion of the Siletz Terrane in Western OregonFirst Bacteria on Land. Most primitive from of oxygen-breathing life on land.Formation of the Moon. Formed after collision between Earth and a Mars-sized planet.When India was colliding with Asia, forming the Himilaya MountainsFirst Appearance of The Ediacaran Fauna. Soft-bodied organismThe Permian Extinction. Largest extinction and ended the Permian period, known as "Great Dying". Extinction of >95% of marine lifeFirst Appearance of Dinosaur, beginning of their perod.Extinction of Dinosaur, end of their perod.Beginning of current Ice AgeFirst humans to arrive to North America. Originally thought to be Clovis people around 13,000 years ago, but new research suggests that it was actually 20,0000 years ago.First Animal on Land. Pneumodesmus newmani, a species of myriapodFirst Land Plant. Non-vascular plantThe Cretaceous Extinction Event. Most Likely caused by asteroid impact. Wiped out 75% of all species.First Appearnce of Coral ReefsThe Oldest Fossil of Homo Sapiens. Found in MoroccoThe Formation of the Supercontinent Rodinia. Broke up 750 MYAThe Formation of Supercontinent Pangea, beginging of formationThe Splitting up of PangeaEarliest appearance of Continental Crust on Earth. Found in AustraliaThe First Multicellular life. Grypania spiralisFirst Flowering Plant. Archaefructus, found in LiaoningThe Earliest Appearance of uplift of the Appalachian Mountains. Reached elevations similar to the Rockys and the Alps.The Age of the Oldest Mineral Found on Earth. ZirconThe Age of the Oldest Rock Found. Found in Northwest CanadaEarliest Known Mammal. Morganucodontids: very small creatures.Formation of the Mt. Hood Volcano. Formation of the main coneEruption of Mt. MazamaEarliest Formation of the Oceans. Water condensed into rain and filled the basins.Present, 0 Years ago
Scale: 1 year = 10 years
Ignore the real date shown4,500,000,000 years ago
Scale: 1 year = 10 yearPeriods
HadeanArcheanProterozoicPhanerozoicPaleozoicMesozoicCenozoicEoarcheanPaleoarcheanMesoarcheanNeoarcheanPaleoproterozoicMesoproterozoicNeoproterozoicCambrainOrdovicianSiurianDevonianCarboniferousMississippianPennsylvanianPermianTriassicJurassicCretaceousTertiaryQuaternary
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