(7th century BC - 6th century BC - 5th century BC - other centuries)
(600s BC - 590s BC - 580s BC - 570s BC - 560s BC - 550s BC - 540s BC - 530s BC - 520s BC - 510s BC - 500s BC - other decades)
(2nd millennium BC - 1st millennium BC - 1st millennium AD)
Significant persons:
Inventions, Discoveries, Introductions
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