Fort Kronshlot located near Kronstadt. Domenico Trezzini, engineer-fortifier, comes from Moscow in 1704. Fort was built three years, the construction of two thousand guarded detachment, consisting of infantry and cavalry. Armament of the fort consisted of 46 guns, one Martir, two pounds of caliber. Near the fort, you can see the ships of the Russian fleet under the command of Vice-Admiral Cruys. Ships are "loitering" against the Swedish squadron of Admiral Ankershterna. This happened in April 1705. Swedish squadron of 9 ships entered the Gulf of Finland and went to the mouth of the Neva. Her path was blocked by 5 Russian ships, after several hours of silent confrontation, the Swedish squadron, without engaging in battle, turned and took the opposite course.