The crescent-shaped strip of land located in the eastern Mediterranean (called the Fertile Crescent, which includes the current countries of Iran, Iraq, Israel, Jordan, Syria and Turkey), 10,000 years ago.
Northwest China, 7,000 years ago
Mesoamerica (a term applied to central and southern Mexico and adjacent areas of Central America), 5,000 years ago
Andean America (today's Ecuador and Peru), 4,000 years ago