This section contains 71 words (approx. 1 page at 300 words per page) |
The astrolabe and other Arab astrological tools come into use in Europe.
Over the next 250 years the Pueblo peoples of the American Southwest build their cliff houses at Mesa Verde and apartment-like housing at Chaco Canyon and other sites.
The Pechenegs, who have been raiding Byzantine territory since the defeat of the Bulgars, are now a constant threat in Byzantine Thrace and Macedonia.
This section contains 71 words (approx. 1 page at 300 words per page) |