Saint Petersburg

The date of the city's founding is considered to be May 27, 1703 (May 16, 1703, according to the Julian calendar).

An excerpt from the article 37 facts about Saint Petersburg

This date was immortalized on a stone slab specially prepared for the occasion, on which an inscription was engraved: "In the year of our Lord 1703, on May 16, the city of St. Petersburg was founded by Tsar and Grand Duke Peter Alekseyevich."