39th century BC

From Wikinfo

(40th century BC - 39th century BC - 38th century BC - other centuries)

(5th millennium BC - 4th millennium BC - 3rd millennium BC)

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Contents 1 Events 2 Significant persons 3 Inventions, discoveries, introductions 3.1 References

Events

• Construction in England of the Sweet Track, the World's first known engineered roadway.

Significant persons

Inventions, discoveries, introductions

References

• Adapted from the Wikipedia article, "39th_century_BC" http://en.wikipedia.org/wiki/39th_century_BC, used under the GNU Free Documentation License