Preclassic, classic and postclassic

[marisol]

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I have started a research on pre-Aztec history in central Mexico, and found
that each source I have consulted, gives different years for the division of
the pre-classic, classic and post-classic periods.

PRECLASSIC from 1500 BC till the start of AD? or till year 100? or till year
300?

CLASSIC from X above till 750, 800 or 900 AD?

POSTCLASSIC from X above till 1521?

Some other sources name an "ARCHAIC" period lasting till 1500 BC (?)

Is a consensus on this division?

I would be grateful if someone could enlighten me, and/or indicate which
reliable texts/web sites to consult.

Susana Moraleda



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