Who is King Sennacherib of Assyria from On Killing and what is their importance?

King Sennacherib of Assyria was an ancient King of the nation of Assyria. He annihilated the city of Babylon in 689 BC. His destructive policy was entire and merciless. He both put out orders for his soldiers to kill every single member of the population they found, making no distinction between combatants and civilians but slaughtering them all. In addition to ordering the inhabitants killed, he also had the city's walls torn or battered down to a state of uselessness. This was true of both the inner and outer walls. He also had the military forces under him tear down the temples and other buildings in the city. The King clearly accepted full responsibility for issuing such orders to human soldiers.