Food & agriculture · c. 23,000 years ago
Wild cereal harvesting
Foragers on the Sea of Galilee gathered and ground wild barley and wheat 23,000 years ago.
At Ohalo II in Israel, a submerged camp preserved some 90,000 plant remains, grinding stones and sickle-like blades. It shows people processing wild grasses into food more than 10,000 years before farming began.
What it built on 2
What it led to 1
Related measurements
The dashed line marks when it first worked.
World population over a million years Latest: 6.27k million people (2000) Source: DeLong 1998, table 'Total World Population' (Kremer series); Kremer 1993, Population Growth and Technological Change: One Million B.C. to 1990, QJE 108(3)
World GDP over a million years Latest: 41k billion 1990 international $ (2000) Source: DeLong 1998, Estimating World GDP, One Million B.C. - Present; Wikipedia: Gross world product (DeLong table, cross-check)