Images of Events in Earth History

Images of Events in Earth History

4600 Earth forms in a stellar cloud around the newly formed Sun3900 Origin of life (first cells)3800 Oldest dated rocks3250 First fossil evidence of bacteria2100 First fossil evidence of cells with a nucleus1700 Oldest preserved California rocks – metamorphic, Mojave Desert1500 First multi-celled organisms550 Gondwanaland and Laurasia supercontinents505 First fish470 First fossil evidence of land plants385 First insects (beetles, scorpions, centipedes)375 First land animals (amphibians)370 First sharks365 First seed plants330 First reptiles250 Pangaea Supercontinent245 Mass extinction – 95% of all life perishes228 First dinosaurs221 First mammals (shrew-like)210 First turtles155 First bird115 First flowering plants70 Tyrannosaurus Rex and Velociraptor65 Meteor or other event - 75% of life perishes64 First ancestors of dogs and cats57 Ancestors of pigs and deer55 First horses39 First monkeys4 Oldest human-like ancestors (hominids)0.1 First modern man, Homo sapiens.038 Oldest known material from the La Brea Tar Pit seeps.01 Earliest human populations in California

Million years before present

Event, Era, System, etc.

Events in Earth History

4600 Earth forms in a stellar cloud around the newly formed Sun 1/1/2011, 12:00am3900 Origin of life (first cells) 2/25/2011, 4:41pm3800 Oldest dated rocks 3/4/2011, 3:39pm3250 First fossil evidence of bacteria 4/17/2011, 9:54am2100 First fossil evidence of cells with a nucleus 7/17/2011, 9:54pm1700 Oldest preserved California rocks – metamorphic, Mojave Desert 8/19/ 2011, 2:37am1500 First multi-celled organisms 9/3/2011, 3:39 pm550 Gondwanaland and Laurasia supercontinents 11/18/2011, 8:38am505 First fish 11/21/2011, 7:40pm470 First fossil evidence of land plants 11/24/2011, 2:30pm385 First insects (beetles, scorpions, centipedes) 12/1/2011, 8:49am375 First land animals (amphibians) 12/2/2011, 3:54am370 First sharks 12/2/2011, 1:27pm365 First seed plants 12/2/2011, 11:00pm330 First reptiles 12/5/2011, 5:50pm250 Pangaea Supercontinent 12/11/2011, 3:55am245 Mass extinction – 95% of all life perishes 12/12/2011, 12:09pm228 First dinosaurs 12/13/2011 8:37pm221 First mammals (shrew-like) 12/14/2011, 9:59am210 First turtles 12/15/2011, 6:59am155 First bird 12/19/2011, 4:01pm115 First flowering plants 12/22/2011, 8:24pm70 Tyrannosaurus Rex and Velociraptor 12/26/2011, 10:19am65 Meteor or other event - 75% of life perishes 12/26/2011, 7:52pm64 First ancestors of dogs and cats 12/26/2011, 9:47pm57 Ancestors of pigs and deer 12/27/2011, 11:09am55 First horses 12/27/ 2011, 2:58pm39 First monkeys 12/28/2011, 9:31pm4 Oldest human-like ancestors (hominids) 12/31/2011, 5:18pm0.1 First modern man, Homo sapiens 12/31/2011, 11:48pm.038 Oldest known material from the La Brea Tar Pit seeps 12/31/2011, 11:56pm.01 Earliest human populations in California 12/31/2011, 11:59.11pm

Million years before present

Time relative to calendar year

Event, Era, System, etc.

Events in Earth History (with conversion to calendar year)