| 1 |
0 days
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0 years
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Now is an interesting time to live. It seems we have so many decisions to make and problems to solve, but life is flourishing on our planet right at this moment. Conditions are right for life.
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| 2 |
.000001 days
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17 years
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I was born, marking the most glorious day in history!
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| 3 |
.005 days
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73,000 years
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A close call extinction event occurred. Mt. Toba erupted, marking the biggest volcano eruption in two million years. This event released a large amount of ash into the atmosphere and caused a world-wide nuclear winter, eliminating most of the human population on earth.
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| 4 |
.007 days
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100,000 years
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Homo sapiens appear in the fossil record. |
| 5 |
.04 days
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600,000 years
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Age of Homo erectus fossils from Ethiopia.
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| 6 |
.13 days
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2 million years |
The Pleistocene Epoch occurs. This was the most recent episode of global cooling. It covered the earth in glaciers and brought cooler temperate zones.
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| 7 |
.22 days
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3.4 million years |
 
Australopithecus afarensis (Lucy) fossils lived in Ethiopia.
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| 8 |
.6 days |
9 million years |
The San Andreas Fault becomes active and the Santa Ana Mountains begin uplifting, making Corona a more interesting place.
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| 9 |
2.3 days |
35 million years |
The first primates appear.
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| 10 |
4.25 days |
65 million years |
The Cretaceous–Tertiary extinction event occurs, caused by the impact of an extraterrestrial object. Dinosaurs and many other animals go extinct, marking the close of the Mesozoic Era and the beginning of the Cenozoic Era.
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| 11 |
8.5 days |
130 million years |
Angiosperms, better known as flowering plants, arrive on the scene.
|
| 12 |
10.5 days |
160 million years |
 
The first birds make their appearance of the Earth.
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| 13 |
13.1 days |
200 million years |
The first mammals begin to evolve.
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| 14 |
13.1 days |
200 million years |
The Triassic-Jurassic extinction event takes places. This major mass extinction wiped out 20 percent of all marine families and a majority of large amphibians on land.
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| 15 |
16 days |
245 million years |
The Permian extinction takes place. This is the greatest mass extinction to ever take place on Earth. 95% of species become extinct. The world gets hotter as greenhouse gases trigger global warming.
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| 16 |
20.5 days
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313 million years |
The first reptiles walk on the earth.
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| 17 |
24.2 days
|
370 million years |
The Late Devonian extinction occurs. As a result, 19% of all families and 50% of all genera go extinct during this era.
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| 18 |
24.5 days
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375 million years |
Amphibians begin to evolve.
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| 19 |
25.8 days
|
395 million years |
The first insects appear.
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| 20 |
29.1 days
|
445 million years |
Late Ordovician extinction event. Marine species were profoundly effected. In total, more than one
hundred families of marine invertebrates became extinct.
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| 21 |
30 days
|
458 million years |
First land plants.
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| 22 |
33.4 days |
510 million years |
Oldest fossil fish.
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| 23 |
42.5 days
|
650 million years |
Snowball earth occurs. Much of earth's surface is entirely frozen.
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| 24 |
58.9 days
|
900 million years |
The oldest metozoan fossils.
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| 25 |
72 days
|
1.1 billion years |
 
Multicellular organisms appear.
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| 26 |
130.87 days
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2 billion years |
The first oxygen ozone layer appears.
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| 27 |
137.4 days |
2.1 billion years |
Eukaryotic cells appear.
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| 28 |
157.1 days
|
2.4 billion years |
The oxygen holocaust occurs. Oxygen is introduced into the atmosphere of Earth, killing off many microbes that thrived.
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| 29 |
242.1 days
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3.7 billion years |
Heterotrophic, anaerobic, and prokaryotes appear in the fossil record.
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| 30 |
301 days
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4.6 billion years |
Earth is formed.
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