325 BC[or]AD325
About 540 million years ago.
35,000 years ago until the present. Modern Europeans are descended from the Cro-Magnon.
The last ice age ended 100 000 years ago.
generally, the transition of prehistorical to historical is characterized by writing and record-keeping. Therefore, the time period where prehistory ends and history begins is different in different regions - where writing occurred at different times - In the North America, we usually associate prehistory with what happened before white man came to the area
It began 4.6 billion years ago and ended 544 million years ago.
2012 years ago
Prehistoric refers to anything before humans began to record things. In the Middle East, prehistory ended around 3500 BC, or 5,500 years ago, while in most of the Americas prehistory didn't end until 1492 or after. Stegosaurus died out 150 million years ago, long before humans even existed, let alone written records. Stegosaurus, therefor, is a prehistoric creature.
Cro-Magnon lived approximately 40,000 to 10,000 years ago during the Upper Paleolithic period. They were early modern humans who lived in Europe.
Algriculture
The writings are the history, so prehistory is before writing.
2010 years ago.
No.
Humans had to invent tools, language, agriculture, and settlements to transition from the prehistoric period to the historical period. These developments allowed early humans to establish permanent societies, create civilizations, and record their histories.
Like many ice age species, it became extinct at the end of the Pleistocene Epoch 16,500 years ago.
about 10,000 years ago
Yes, the end of 2006 is now over ten years ago.
Dinosaurs are believed to have gone extinct approx. 66 million years ago