Refers to the time period in which scientists have found the earliest remains of human activity, approximately 60,000 BC. It ends with the fall of several significant empires, such as the Western Roman Empire in the Mediterranean, the Han Dynasty in China, and the Gupta Empire in India, collectively around 650 AD.
The Bronze Age is the time period in which humans around the world began to use bronze as a major metal in tools. It is generally accepted as starting around 3600 BC and ending with the advent of iron in 1000 BC.
The Iron Age is often called Antiquity or the Classical Era, but these periods more commonly refer to only one region. It begins around 1000 BC with the widespread use of iron in tools. It is often accepted to end at approximately 650 AD, with the fall of the aforementioned major civilizations.