39th century BC explained

The 39th century BC was a century which lasted from the year 3900 BC to 3801 BC.

Events

• 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.^[1]
• 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.^[2]
• Plough in use.

Notes and References

1. Web site: The Sweet Track & Other Trackways. 8 Mar 2018. https://web.archive.org/web/20171210175843/https://avalonmarshes.org/the-avalon-marshes/heritage/sweet-track/. 10 December 2017. dead.
2. Web site: The Somerset Levels (the oldest timber trackway discovered in Northern Europe) . Current Archaeology 172 . 2007-03-25 . https://web.archive.org/web/20070311003620/http://www.archaeology.co.uk/ca/issues/ca172/ca172.htm . 2007-03-11 . February 2001 . dead .