Answer
Sennacherib was the King of Assyria who ruled from 705 to 681 BC. He was a great military leader and conqueror, and he expanded the Assyrian Empire to its greatest extent. In Babylonia, his major opponent was Marduk-apla-iddina II. Marduk-apla-iddina was a usurper who had seized the throne of Babylonia after the death of Sennacherib's father, Sargon II.