the ages in human history, arranged in chronological order: Paleolithic Age (Old

the ages in human history, arranged in chronological order:

Paleolithic Age (Old Stone Age): 3.3 million years ago to 10,000 BC
… a. Lower Paleolithic: 3.3 million years ago to 300,000 years ago
… b. Middle Paleolithic: 300,000 years ago to 30,000 years ago
… c. Upper Paleolithic: 50,000 years ago to 10,000 BC
Mesolithic Age (Middle Stone Age): 10,000 BC to 5,000 BC
Neolithic Age (New Stone Age): 10,000 BC to 3,000 BC
Chalcolithic (Copper Age): 5,000 BC to 3,000 BC
Bronze Age: 3,300 BC to 1,200 BC
Iron Age: 1,200 BC to 500 AD
Classical Age: 8th century BC to 6th century AD a. Ancient Greece: 8th century BC to 146 BC b. Roman Empire: 27 BC to 476 AD
Middle Ages (Medieval Period): 5th century AD to 15th century AD a. Early Middle Ages: 5th century AD to 10th century AD b. High Middle Ages: 11th century AD to 13th century AD c. Late Middle Ages: 14th century AD to 15th century AD
Renaissance: 14th century AD to 17th century AD
Age of Discovery: 15th century AD to 17th century AD
Agrarian Age: Neolithic Revolution to the Industrial Revolution (18th century AD)
Industrial Age: Late 18th century AD to mid-20th century AD
Steel Age: 1856 AD to present
Electric Age (Second Industrial Revolution): Late 19th century AD to early 20th century AD
Atomic Age: Mid-20th century AD to present
Space Age: 1957 AD to present
Information Age (Digital Age): Mid-20th century AD to present
Anthropocene (proposed): Late 18th century AD or 1945 AD to present