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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University Park, Iowa

... a household in the city is $31,875, and the median income for a family is $35,682. Males have a median income of $30,000 versus $20,938 for females. The per capita income ...