This chronology based on: Vaclav Smil, Energy in World History (Boulder, CO; Westview Press, 1994) pp. 259-267.
- 9000 BC: Sheep are domesticated in the Middle East.
- 7400 BC: Corn is domesticated in the Oaxaca Valley.
- 7000 BC: Wheat is domesticated in Mesopotamia.
- 6500 BC: Cattle are domesticated in Mesopotamia.
- 6000 BC: Copper artifacts are common in the Middle East.
- 5000 BC: Barley is domesticated in Egypt.
- 4400 BC: Potatoes are domesticated in Peru and Bolivia.
- 4000 BC: Light wooden plows are used in Mesopotamia.
- 3500 BC: Kiln-fired bricks and pots are made in Mesopotamia.
- 3500 BC: Irrigation is developed in Mesopotamia.
- 3200 BC: Wheeled vehicles are used in Uruk.
- 3000 BC: Square-sailed ships used in Egypt.
- 3000 BC: Draft oxen are used in Mesopotamia.
- 3000 BC: Potter's wheel used in Mesopotamia.
- 2800 BC: Pyramids are built in Egypt.
- 2500 BC: Bronze is developed in Mesopotamia.
- 2000 BC: Horse drawn vehicles are used in Egypt.
- 1700 BC: Horse riding is developed on the Eurasia steppes.
- 1500 BC: Copper is smelted in China.
- 1500 BC: Rice paddies are developed in China.
- 1400 BC: Iron working is developed in the Middle East.
- 1300 BC: Horse drawn vehicles are developed in China.
- 800 BC: Mounted archers are developed on the Eurasian steppes.
- 600 BC: Archimedean screw used for irrigation in Egypt.
- 400 BC: Cross bow is developed in China.
- 300 BC: Stirrups are used in China.
- 150 BC: Iron moldboard plows in use in China.
- 100 BC: Waterwheels used in Greece and Rome.
- 100 BC: Beginnings of collar harness in China.
Text copyright 1996-1999 by David W. Koeller. All rights reserved.