How long ago was the sixth century BC?

The 6th century BC began in the year 600 BC and finished in 501 BC. So from 2000 AD, it is 2,500-2,600 years old.

Explanation:

The 6th century BC started the first day of 600 BC and ended the last day of 501 BC.

Explanation:

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the density would be a smaller number.

answer; 35 year old african american man who is also a college graduate;