Difference between revisions of "Earth history timeline"
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Latest revision as of 17:06, 21 August 2014
4540 million: Solar System & Earth form
4520 million: Our Moon (Luna) forms
4000 million: Oldest rocks on Earth
3500 million: Blue-green algae appears
600 million: Animals with hard parts appear
500 million: First vertebrates appear
425 million: First land plants appear
380 million: First amphibians appear
252 million: Great dying; 96% of marine species and 70% of terrestrial vertebrates become extinct
245 million: First dinosaurs appear
245 million: First mammals appear
120 million: Flowering plants & hardwoods appear
65 million: Extinction of the dinosaurs
62 million: Placental mammals appear
35 million: Grazing animals diversify
5 million: Australopithecus appears
1.6 million: Most recent glacial cycle begins
20 thousand: Last glacial maximum
12 thousand: Interglacial begins