The War of the Zulkirs took place in 1375 - 1478 DR between the self-proclaimed regent of Thay, the lich Szass Tam, and the combined forces of the other zulkirs Lallara Mediocros, Nevron, Yaphyll, Lauzoril, Kumed Hahpret, Mythrellan and Samas Kul under the guidance of Dmitra Flass. The war took place at various locations in Thay.