British Museum group of stone reliefs from the excavations of Max von Oppenheim at Tell Halaf that was purchased in 1920. More material followed from the excavations of Max Mallowan at Chagar Bazar and Tell Brak in 1935–1938 and from Woolley at Alalakh in the years just before and after the Second World War. Mallowan returned with his wife Agatha Christie to carry out further digs at Nimrud in the postwar period which secured many important artefacts for the museum. The collection of Palestinian material was strengthened by the work of Kathleen Kenyon at Jericho in the 1950s and the acquisition in
History of the Assyrian people Eshai asked the League of Nations to recognize the right of Assyrians to govern the area known as the "Assyrian triangle" in northern Iraq. The Assyrians suffered the Simele Massacre, where thousands of unarmed villagers (men, women and children) were slaughtered by joint Arab-Kurdish forces of the Iraqi Army. These massacres followed a clash between Assyrian tribesmen and the Iraqi army, where the Iraqi forces suffered a defeat after trying to disarm the Assyrians, whom they feared would attempt to secede from Iraq. Armed Assyrian Levies were prevented by the British from going to the aid of these defenceless civilians.