The best teacher when it comes to world history is actually being able to visit all these historic places mentioned inside the entire world history book one place at a time, as much as cheap travels permit.
We all had that experience where we had the chance to go somewhere and the memories in that place remains with you forever. Imagine what it could do if you make it as a more thorough research on a country by really going there to learn about its history and culture.
Its always fascinating to go to a country where you get to visit the tribes and really see what they look like, be able to taste the delicacies of the place, have the chance to learn their culture, and hear the history of the place right from the natives mouth.
Learning is a lot more fun when you dont have to bore yourself inside a classroom with a book in front of you having to read all these and not knowing or understanding what it means. By actually experiencing what its like to be in that place, you will be able to relate to what was being described inside those references, which makes it a lot more interesting to remember them by heart.
You dont have to force yourself into...