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Russo–Swedish War (1590–1595)


The Russo-Swedish War of 1590–1595 was instigated by Boris Godunov in the hope of gaining the territory of the Duchy of Estonia along the Gulf of Finland belonging to Sweden since the previous Livonian War.

As soon as the Truce of Plussa expired early in 1590, a large Russian army led by Godunov and his sickly brother-in-law, Fyodor I of Russia, marched from Moscow towards Novgorod. On 18 January they crossed the Narva River and laid siege to the Swedish castle of Narva, commanded by Arvid Stålarm. Another important fortress, Jama (Jamburg), fell to Russian forces within two weeks. Simultaneously, the Russians ravaged Estonia as far as Reval (Tallinn) and Finland as far as Helsingfors (Helsinki).

On 25 February, the local Swedish governor Klas Henriksson Horn was compelled to sign an armistice, which obliged Sweden to surrender the territories won by the Treaty of Plussa — namely Jama, Koporye, and Ivangorod. This peace settlement displeased John III of Sweden, who sent a fleet to take hold of Ivangorod, but this attempt to besiege the fortress was checked by a Russian castellan. Matters then remained quiet until summer 1591, when the Swedes struck against Gdov, capturing a local governor, Prince Vladimir Dolgorukov.


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