-
The Byzantine Empire was located around the majority of the mediterranean sea, and one accomplishment was from Justinian the First when he created the Justinian code, which laws today still base off of.
-
Ghana was located around Sahel, and the valley between the Senegal and the Niger rivers, and the silent barter system allowed people that spoke different languages and other difficulties while trading to trade a lot easier.
-
The Maya were located in the middle of Mesoamerica, and they made great contributions in astronomy.
-
The Gupta Empire was in Southern Asia, and made large strides in mathematics like a close approximation to pie.
-
Imperial China was located in West Asia, and they had many inventions such as better printing techniques, tea, steel and porcelain for just a couple.
-
The Muslim Empire was located around Arabia, and found out dieting, exercise, and regular medicine could help treat disease very well.
-
Japan is located in West Asia, and they influenced many writers with The Tale of the Genji, and it still has parts thet show up in today's literature.
-
The Holy Roman Empire was located in central Europe, and guilds were an important idea especially since the apprentices had to make a good enough "masterpiece" to get a higher rank.
-
The Incas were located on the west side of South America, one of their achievements was their system of roads which showed their amazing engineering skills.
-
The Empire of Mali was located in West Africa, and Timbuktu was the leading center of learning about islam and its culture.
-
The Aztecs were located around central Mesoamerica, and they made a very accurate calendar for the world.
-
Songhai was located in West Africa, and they broke away from Mali and conquer it.