[1] During the reign of Shah Abbas, the tribe's emir (Mohammad Sultan Bayat) was appointed governor of Esfarayen, Nishapur, and Sabzevar.
During the Afghan invasion, the Qara Bayat emir had submitted to Malek Mahmoud Sistani but later rebelled against him and was executed.
[6] When Shahrokh Shah was deposed on January 14, 1750, by Mir Sayyed Mohammad, Ahmad Khan was appointed commander of the Turkmen tribal cavalry.
Eventually one Mir Alam Khan Khozeimeh triumphed over all other factions, including the Kurds of Khabushan and the Jalayir of Kalat-i Naderi.
[2] However, Ahmad Shah Durrani invaded Khorasan again, defeating Mir Alam Khan at Jam and taking Tun in June 1754.
[4] (The Encyclopedia Iranica article on the Afsharids mentions that in the spring of 1754 Nishapur was unsuccessfully besieged by the Afghans but this has not been corroborated by other sources.
When Nishapur finally fell to the Afghans on June 24, the city was destroyed and its infrastructure torn apart under the orders of Ahmad Shah.
[3] Eventually Abbas Qoli Khan returned to Nishapur and, according to Malcolm: "devoted the remainder of his life to improving that town, and the districts dependent upon it".
[3] Abbas Qoli Khan was a just and humane ruler, and it seemed like for the rest of his reign there were no major political events effecting Nishapur.