The 39th century BC was a

century A century is a period of 100 years or 10 decades. Centuries are numbered ordinally in English and many other languages. The word ''century'' comes from the Latin ''centum'', meaning ''one hundred''. ''Century'' is sometimes abbreviated as c. ...

which lasted from the year 3900 BC to 3801 BC.

Events

* The

Post Track The Post Track is an ancient causeway in the valley of the River Brue on the Somerset Levels, England. It dates from around 3838 BCE, making it some 30 years older than the Sweet Track in the same area. Various sections have been scheduled ...

, an ancient

causeway A causeway is a track, road or railway on the upper point of an embankment across "a low, or wet place, or piece of water". It can be constructed of earth, masonry, wood, or concrete. One of the earliest known wooden causeways is the Sweet T ...

in the

Somerset Levels The Somerset Levels are a coastal plain and wetland area of Somerset, England, running south from the Mendips to the Blackdown Hills. The Somerset Levels have an area of about and are bisected by the Polden Hills; the areas to the south ...

, England, is built, c. 3838 BC. It is one of the oldest engineered

road A road is a thoroughfare used primarily for movement of traffic. Roads differ from streets, whose primary use is local access. They also differ from stroads, which combine the features of streets and roads. Most modern roads are paved. Th ...

s discovered in

Northern Europe The northern region of Europe has several definitions. A restrictive definition may describe northern Europe as being roughly north of the southern coast of the Baltic Sea, which is about 54th parallel north, 54°N, or may be based on other ge ...

. * The

Sweet Track The Sweet Track is an ancient trackway, or causeway, in the Somerset Levels, England, named after its finder, Ray Sweet. It was built in 3807 BC (determined using dendrochronology – tree-ring dating) and is the second-oldest timber 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 A plough or ( US) plow (both pronounced ) is a farm tool for loosening or turning the soil before sowing seed or planting. Ploughs were traditionally drawn by oxen and horses but modern ploughs are drawn by tractors. A plough may have a wooden ...

in use.

References

-1 -61 {{BC-year-stub