Note: if you're sensitive to expletives/colorful languages, please, please don't watch the videos.
Psst, heard of Prussia? =P
Come to think of it, I'm not sure whether my History score would've been much better if I had stumbled across Epic Rap Battles of History's videos in college. We learned about the characters depicted in both videos and how they contributed to mostly Russian history.
The battle between Romney and Obama is my favorite so far - and it definitely assisted me to understand some elements from Public Law.