39Th Century Bc

Template:Centurybox 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.^[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.^{[citation needed]}

Template:Decades and years

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