The First Agricultural Revolution was the transition of humans from nomadic hunting/gathering to sedentary agricultural production of domesticated plants and animals. A result of the warming period directly after an Ice Age, the first place to of recorded this Revolution was the Fertile Crescent in the Middle East.
The Agricultural Revolution of the 18th century paved the way for the Industrial Revolution in Britain. New farming techniques and improved livestock breeding led to amplified food production. This allowed a spike in population and increased health. The new farming techniques also led to an enclosure movement.