39th century BC
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|Millennium:||4th millennium BC|
|Categories:||Births – Deaths
Establishments – Disestablishments
The 39th century BC was a century which lasted from the year 3900 BC to 3801 BC.
- The Post Track, an ancient causeway in the Somerset Levels, England, is built, c. 3838 BC. It is one of the oldest engineered roads discovered in Northern Europe.
- The Sweet Track, an ancient causeway also in the Somerset Levels, the oldest timber trackway discovered in Northern Europe, is built in 3807 BC or 3806 BC, tree-ring dating (Dendrochronology) enabled very precise dating.
- Plough in use.
- 5.9 kiloyear event, one of the most intense aridification events during the Holocene. It ended the Neolithic Subpluvial and likely initiated the most recent desiccation of the Sahara desert, triggering migration to river valleys, such as from central North Africa to the Nile valley.
- "The Sweet Track & Other Trackways". Retrieved 8 Mar 2018.
- "The Somerset Levels (the oldest timber trackway discovered in Northern Europe)". Current Archaeology 172. February 2001. Archived from the original on 2007-03-11. Retrieved 2007-03-25.
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