What is Three-age system?
The '''three-age system''' is how some [[Historian|historians]] and [[Archaeology|archaeologists]] divide up [[Prehistory|prehistoric]] times. The three ages are named after what early [[Human|humans]] were making [[Tool|tools]] out of during each one. The first was the [[Stone Age]]. The second was the [[Bronze Age]]. The third was the [[Iron Age]]. <ref>{{Cite book|url=https://books.google.com/books?id=XneTstDbcC0C|title=Encyclopedic Dictionary of Archaeology|last=Kipfer|first=Barbara Ann|date=2000-04-30|publisher=Springer Science & Business Media|isbn=978-0-306-46158-3|language=en}}</ref> == References == {{reflist}} {{history-stub}} [[Category:Ancient history]]