(
22nd century BC -
21st century BC -
20th century BC -
other centuries)
(4th millennium BC - 3rd millennium BC - 2nd millennium BC)
Events:
Significant persons:
Inventions, Discoveries, Introductions:
- 2000 BC -- First written accounts of Schizophrenia.
- 2037 BC -- Emperor Shen Nong[?] makes first (perhaps mythical) tea drink by boiling fresh leaves