Encyclopedia > 20th century BC

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20th century BC

(21st century BC - 20th century BC - 19th century BC - other centuries)

(3rd millennium BC - 2nd millennium BC - 1st millennium BC)


Significant persons:

Inventions, Discoveries, Introductions:

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List of mathematicians

... 1566 - 1617) Germinal Pierre Dandelin[?] (France, Belgium, 1794 - 1847) David van Dantzig[?] (Netherlands, 1900 - 1959) Ludwig W. Danzer[?] (Germany, University of ...