[Cronos]

the Mongols probably killed 100M+ in less than a century,

Please could you show links to this? I disagree with the number.

[Restorer]

See post 105.

Here's a link to a lot of historical death totals:

http://users.erols.com/mwhite28/warstat0.htm#Mongol

Little really accurate info is available, but keep in mind people still argue how many various states killed in the 20th century.