For the many history buffs here:

[prisoners]

http://io9.com/this-animated-data-visualization-of-world-war-ii-fatali-1709065880

 

[Splatter Pak]

Fascinating video, but the history part is strictly party-line.

 

[prisoners]

I didn't interpret anything but numbers from it.

 

[Splatter Pak]

Such subjects are always more complex (and interesting!) when you dig below the History 101 level of things...