-
Period: 250 to 900
Maya
Southern Mexico
Developed astronomy, calendar systems, and hieroglyphs -
Period: 300 to 1203
Ghana
West Africa
Silent Barter system -
Period: 320 to 600
Gupta Empire
Northeast India
Made advancements in science -
Period: 330 to 1453
Byzantine Empire
Eastern Europe
Made Justinian Code getting rid of confusing Roman laws -
Period: 618 to
Imperial China
Northern China
They invented gunpowder and a bunch of other important things -
Period: 632 to 1258
Muslim Empire
The Middle East
They popularized Arabic numerals -
Period: 794 to
Japan
East Asia
They had organized roads -
Period: 800 to
Holy Roman Empire
Western and Central Europe
They conquered the italian peninsula -
Period: 1200 to 1533
Inca
Southwest Africa
Built roads the length and width of their empire -
Period: 1240 to
Mali
West Africa
They became noted in Europe -
Period: 1300 to 1521
Aztec
North Mexico
Developed math and medicines -
Period: 1464 to
Songhai
West Africa
Took over Mali