[slededit]

None of those compare to Napoleon’s rampages or the subjugating of half the world by the British Empire. In the classical world raizing entire cities was not uncommon.

[boomboomsubban]

The population growth makes any comparison difficult. For example, the Napoleonic wars killed about the same amount of people as the Vietnam War.

As for razing entire cities, the Korean War saw the US essentially raze a country. To quote General LeMay

>We went over there and fought the war and eventually burned down every town in North Korea anyway, some way or another, and some in South Korea, too.

[BurnGpuBurn]

If you look at pictures of current wars, we still raise entire cities. Put 'Raqqa' in google image search for instance.