Saint Petersburg , Russia

On May 12 [O.S. 1] 1703, during the Great Northern War, Peter the Great captured the Swedish fortress of Nyenskans on the Neva river in Ingria. On May 27 [O.S. 16] 1703,closer to the estuary (5 km/3 miles inland from the gulf), on Zayachy (Hare) Island, he laid down the Peter and Paul Fortress, which became the first brick and stone building of the new city.
-Wikipedia-