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Cenozoic
China
thousands
The modern era that began approximately 65 million years ago with the mass extinction of the dinosaurs is called the Cenozoic Era.
It was early Mesozoic era
The Paleozoic Era lasted from 542 to 251 million years ago.
It was in between about 590 and 248 million years ago and it lasted about 342 million years.
The war began 64 years ago and ended 61 years ago
how many years ago was feudalism introduced if began about 800 ce
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They began to evolve 600,000 years ago. They died out 27,000 years ago.
They began to evolve 600,000 years ago. They were totally developed 130,000 years ago. They died out 27,000 years ago.
Dinosaurs were thought to have evolved about 230 million years ago. Traditionally they are thought to become extinct 65.5 million years ago in the K-T Extinction event but recent findings have lead scientist to start to consider birds as avian dinosaurs so one could say dinosaurs never ended.
Began
65 million years
Cenozoic