Assyria or Sumeria or Hittites
Zulu or Zimbabwe
Kongo or Benin
I still don't see the historical relevance or uniqueness of the Majapahit.
a HUGE yes to Portugal, but a no to Brazil
Hungary / Magyars.
My votes would go with Portugal, Brazil, Vietnam, Zulu, Sioux and Khmer (not in the poll) in no special order.