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Geologic History Compressed into 1 Calendar Year

Timeline created by hsilvers in Science and Technology
Event Date: Event Title: Event Description:
1 small square 12:00AM Earth Forms Gas and dust in space, known as planetary nebula, condense into one mass, now known as our planet Earth. This occured 4600 million years ago.
Stem cells small square 12:30PM First Cells The origin of life has come upon the Earth. The first cells are dated back to 3900 million years ago.
Rock small square 3:39PM Oldest Dated Rocks Our oldest dated rocks can be traced to 3800 million years ago.
Stromatolites small square 1:33PM Fossils of Stromatolites 3600 million years ago, our first stromatolites lived. These are fossils of blue and green algae that are considered to be prokaryotes.
Nucleous small square 9:54PM First Cells with Nuclei The first fossil evidence of a cell containing a nucleous can be traced back 2100 million years.
First fish small square 5:11PM The Paleozoic Begins Throughout the Paleozoic, which began 544 million years ago, numerous basic organisms devlop on our planet. Beginning with our first fish and land plants, 505-407 million years ago.
First insects small square 8:49AM First Insects Beetles, scorpians, and centipedes were roaming the planet 385 million years ago. http://3quarksdaily.blogs.com/3quarksdaily/images/leafinsect_vmed_1p.jpg
First amphibian small square 3:54AM First Ampibians Approximately 375 million years ago, our first land animals appeared. Soon after, the first sharks and seeded planets developed.
Smesosaurus small square 5:50PM First Reptiles The first reptiles appeared on Earth 330 million years ago.
Labidsaurus1c 544x407 small square 12:09PM The Mesozoic Begins A major event occured that killed about 95% of the planet's population. This occured 245 million years ago to begin the Mesozoic time, where reptiles will prosper.
Erythrosuchianwp small square 8:37PM First Dinosaurs The first dinosaurs were living 228 million years ago, just after the first crocodiles graced the planet.
Medium small square 9:59AM First Mammals Just after the beginning of dinosaurs, the first mammals began their survival on Earth. The mammals were small, shrew like organisms. Soon after, the dinosaurs began to prosper and develop to the extent that there were many different types, herbivores, carnivores, and omnivores.
Firstplant11 small square 8:24PM First Flowering Plants About 115 million years ago, the first flowering plants could be seen on our planet.
Morgie small square 7:52PM The Censozoic Begins The Mesozoic ends just like the Paleozoic, with a major impact event killing much of the organisms that inhabited the Earth. This time period will be known as the age of mammals.
Bull typ small square 9:47PM First Ancestors of Dogs and Cats About 64 million years ago, the first ancesstors of dogs and cats can be found on earth.
Grasses logo6 small square 5:25AM Widespread Grasses Grasses become widespread 60 million years ago.
Wild boar 1 small square 11:09AM First Ancestors of Pigs and Deer The first ancestors of pigs and deer can be traced back 57 million years. Soon after, the ancestors of horses and rabbits developed on our planet.
Rhesus small square 9:31PM First Monkeys About 39 millions years ago, the first monkeys existed on our earth.
Ardi small square 5:18PM Oldest Human-like Ancestors About four million years ago, organisms that resembled humans roamed the earth.
091001 03 skeleton ardi human ancestor big small square 11:02PM Oldest Direct Human Ancestor The first direct human ancestor was on earth only one million years ago.
Human spread 5310 small square 11:48PM First Modern Man Homo sapiens began to exist on our planet .1 million years ago, which is the same as 100,000 years ago.
Revolutionary war small square 11:59PM Revolutionary War According to this geologic time scale, the Revolutionary War would have happened only one minute before present time, yet it occured 234 years ago.
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