Boris Feodorovich Godunov was the de facto regent of Russia from 1585 to 1598 and then tsar from 1598 to 1605 following the death of Feodor I, the last of the Rurik dynasty. After the end of his reign, Russia descended into the Time of Troubles.

Kostroma is a historic city and the administrative center of Kostroma Oblast, Russia. A part of the Golden Ring of Russian cities, it is located at the confluence of the rivers Volga and Kostroma. In the 2021 census, the population is 267,481.