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31st century BC
The 31st century BC was a century that lasted from the year 3100 BC to 3001 BC.
Spiral design altar block from the
Tarxien Temples
of
Malta
, uncovered by Sir
Themistocles Zammit
Front and back sides of
Narmer Palette
, this facsimile on display at the
Royal Ontario Museum
, in
Toronto
, Ontario, Canada. The palette depicts
Narmer
unifying
Upper Egypt
and
Lower Egypt
.