Timeline of the Assyrian Empire in Ashur began deteriorating, Tukulti-Ninurta built a new capital city; Kar-Tukulti-Ninurta. He stretched the Assyrian Empire further south than before, conquering Dilmun, a "pre-Arab" civilisation of the Arabian Peninsula that encompassed modern Bahrain, Kuwait, Qatar and the coastal regions of the Eastern Province of Saudi Arabia. However, Tukulti-Ninurta's sons rebelled and besieged the ageing king in his capital. He was murdered and then succeeded by Ashur-nadin-apli (1206–1203 BC) who left the running of his empire to Assyrian regional governors such as Adad-bēl-gabbe. Another unstable period for Assyria followed, it was riven by periods of internal strife and the new king
Ancient of Days to portray him as he was incarnate. This iconography emerged in the 6th century, mostly in the Eastern Empire with elderly images, although usually not properly or specifically identified as "the Ancient of Days." The first images of the Ancient of Days, so named with an inscription, were developed by iconographers in different manuscripts, the earliest of which are dated to the 11th century. The images in these manuscripts included the inscription "Jesus Christ, Ancient of Days," confirming that this was a way to identify Christ as pre-eternal with the God the Father. Indeed, later, it was declared by the