Food & agriculture · c. 7,000 BCE
Fermented drinks
Jiahu villagers brewed a drink of rice, honey and fruit, the oldest chemically confirmed alcohol.
Residue in 9,000-year-old jars from Jiahu, China, shows a mixed fermented beverage. Controlled fermentation became a core preservation technique, giving beer, wine, bread leavening, vinegar and pickles.
What it built on 2
What it led to 3
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)