The Middle Class and Why It's Disappearing

I think it's an interesting video. Tough subject to squeeze into 5 minutes. I wonder if he has any more examples that are more recent in time than ancient Greece?
 
I think it's an interesting video. Tough subject to squeeze into 5 minutes. I wonder if he has any more examples that are more recent in time than ancient Greece?
Very few examples exist between the time of ancient Greece and the founding of our Republic. Nations that have a relatively large, thriving middle class are not the historic norm.