Nimrud ivories that followed the death of Sargon II in 705 BC or when Nineveh fell and was destroyed in 612 BC. Mallowan's wife was the famous British crime novelist, Agatha Christie (1890–1976), who was fascinated with archaeology, and who accompanied her husband on the Nimrud excavations. Christie helped photograph and preserve many of the ivories found during the excavations, explaining in her autobiography that she cleaned the ivories using a fine knitting needle, an orange stick and a pot of face cream. The collection of ivories uncovered by Mallowan were divided between Iraq and Britain, where they remained at the British
Nimrud Assyrian Empire (1365–1050 BC). However, the ancient city of Assur remained the capital of Assyria, as it had been since c. 3500 BC. The city gained fame when king Ashurnasirpal II (883–859 BC) of the Neo-Assyrian Empire (911–605 BC) made it his capital at the expense of Assur. He built a large palace and temples in the city, which had fallen into a degree of disrepair during the Bronze Age Collapse of the mid-11th to mid-10th centuries BC. Thousands of men worked to build an wall surrounding the city and a grand palace. There were many inscriptions carved into limestone