From the year 639 BC, the Neo-Assyrian Empire had been suffering from a decline in their power, culminating in Babylonian and Median invasions of their lands.
Despite the brutal massacres that followed, the Assyrians survived as a political entity and escaped to Harran under their new king, Ashur-uballit II.
[5] Establishing Harran as a capital for the Assyrians caught the attention of the Babylonian King Nabopolassar[5] and Median King Cyaxares, who were determined to forever destroy the threat of Assyrian resurgence.
[6] With the fall of Harran, the Assyrian empire ceased to exist as a state.
[7][8][9] Remnants of the former Assyrian empire's army met up with the Egyptian forces that had defeated the Kingdom of Judah at Megiddo but their combined forces were defeated again the same year at the Siege of Harran and in 605 BC at the Carchemish, ending the Egyptian intervention in the Near East.