The transition from hunter-gathering to farming is described as a “revolution” because it constituted the crucial breakthrough which made possible all later human advances. For decades archaeologists have been searching for the origins of agriculture. Their findings indicated that early plant domestication took place in the western and northern Fertile Crescent.
Source: Source: Universitaet Tübingen. "Farming started in several places at once: Origins of agriculture in the Fertile Crescent." ScienceDaily. ScienceDaily, 5 July 2013.