History of Saint Petersburg
Founded by Tsar Peter the Great on 27 May 1703. It became capital of the Russian Empire for more than two hundred years (1712–1728, 1732–1918). St. Petersburg ceased being the capital in 1918 after the Russian Revolution of 1917.
Saint Petersburg Governorate
Saint Petersburg Governorate (, "Sankt-Peterburgskaya guberniya"), or Government of Saint Petersburg, was an administrative division (a "guberniya") of the Tsardom of Russia, the Russian Empire, and the Russian SFSR, which existed in 1708–1927.