What was the Biggest Empire in History?

In this video, I set out to answer what was the biggest empire in history. To answer this question you have to first define how you're measuring "biggest".

I tried my best to create this video. Hopefully, the next video will be better.


Music:

Desert City by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/by/4.0/
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100564
Artist: http://incompetech.com/