Who Wins Wars is an amazing interactive infographic.

It seems a bit difficult to navigate, but I just may be missing something.

Here is how it describes itself:

Between 1816 and 2007 — a span of nearly two centuries—the world witnessed 91 major wars between sovereign nations. While technological progress surged, so too did the capacity for conflict. The analysis of 192 years of interstate warfare reveals startling patterns about who initiates wars, who fights them, and who tends to win.