Yohannan VIII Hormizd
Meanwhile, the Vatican reconsidered the condemnation of Yohannan Hormizd in the light of fresh information, and on 25 November 1826 publicly absolved him. At the same time, to restore the peace of the Chaldean Church, it urged the 66-year-old former patriarchal administrator to renounce his claims to the archdiocese of Mosul and to retire quietly. Yohannan, vindicated by the Vatican's absolution and supported by the local civil authorities, stubbornly refused to retire. Instead, he fought back against his opponents. In 1827, during the absence of the superior Gabriel Dambo in Rome, a number of monks in the monastery of Rabban Hormizd rebelled against its administrator Yohannan Gwera, who enjoyed the support of the metropolitan Joseph Audo. Yohannan Hormizd upheld the rebels, and was also able to have Basil Asmar expelled from Telkepe, forcing him to take refuge in Amid.
Adurbadagan
In 224, Adurbadagan submitted with little resistance to Ardashir I (r. 224–242) once he had defeated and killed Artabanus at the Battle of Hormizdegan. In 241/2, during the reign of his son and successor Shapur I (r. 240-270), the latter had to make an expedition to the province due to unrest. After that, the province became completely subdued. In the spring of 589, Adurbadagan was invaded by the Byzantine ally Guaram I of Iberia. However, when he discovered that the Sasanian army chief ("spahbed") Bahram Chobin had defeated a massive Turkic army in Khorasan, and was now marching to Adurbadagan, he quickly withdrew. The following year, Bahram Chobin, after having been disgraced by king Hormizd IV, rebelled against him, and quickly managed to take control over the whole Sasanian Empire.