In 1736–1737 the city suffered from catastrophic fires.
To rebuild the damaged boroughs, a committee under Burkhard Christoph von Münnich commissioned a new plan in 1737.
meaning "Peter's City", to remove the German words Sankt and Burg.
In March 1917, during the February Revolution Nicholas II abdicated both for himself and on behalf of his son, ending the Russian monarchy and over three hundred years of Romanov dynastic rule.
On November 7, 1917 (OS October 25), the Bolsheviks, led by Vladimir Lenin, stormed the Winter Palace in an event known thereafter as the October Revolution, which led to the end of the post-Tsarist provisional government, the transfer of all political power to the Soviets, and the rise of the Communist Party.