which civilization do 你 study?

Egyptian one

Like in History classes?
If so, we study the egiptian one, the greek, the roman and the Phoenicia.

In history classes?
Right now our own, Dutch.

But in my "free time"?
American(via Wikipedia)
for some research for stories(not that I write 图书 but I want my stories to be accurate :P)

Indus Valley Civilization!