On 7 December 2003, a referendum was held, at which the residents of
Perm Oblast and
Komi-Permyak Autonomous Okrug supported the unification of these two regions. The united Perm Krai was established on 1 December 2005. On the same day acting governor of Perm Oblast
Oleg Chirkunov took office as governor of Perm Krai. == List of officeholders ==