Term
Event I:
4.56 Billion years ago |
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Definition
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Term
Event II:
4.4 Billion years ago |
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Definition
| Oldest mineral grain found |
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Term
Event III:
4.1 Billion years ago |
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Definition
| Oldest piece of rock ever found |
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Term
Event IV:
3.9 Billion years ago |
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Definition
| Oldest evidence of a continent |
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Term
Event V:
3.8 Billion years ago |
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Definition
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Term
Event VI:
3.5 Billion years ago |
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Definition
| First fossils (Algae & Bacteria) |
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Term
Event VII:
1.8 Billion years ago |
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Definition
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Term
Event VIII:
1.1 Billion years ago |
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Definition
| First fossil of a complex organism (a worm) |
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Term
Event IX:
540 Million years ago |
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Definition
| First abundant life found in the rock record |
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Term
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Definition
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Term
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Definition
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Term
Event XII:
410 Million ago |
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Definition
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Term
Event XIII:
250 Million ago |
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Definition
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Term
Event XIV:
247 Million ago |
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Definition
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Term
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Definition
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Term
Event XVI:
220 Million ago |
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Definition
| Break-up of super continent Pangaea begins |
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Term
Event XVII:
145 Million ago |
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Definition
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Term
Event XVIII:
65 Million ago |
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Definition
| Dinosaurs & other animals go extinct |
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Term
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Definition
| Mammals/Flowering plants become abundant |
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Term
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Definition
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Term
Event XXI:
1.8 Million ago |
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Definition
| First primate in genus Homo |
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Term
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Definition
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Term
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Definition
| Humans first inhabit North America |
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Term
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Definition
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Term
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Definition
| Founding of Jericho,the first known city |
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Term
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Definition
| Roman domination of the World |
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Term
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Definition
| European rediscovery of the americas |
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Term
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Definition
| Humans first explore the moon |
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