- Russo-Swedish War (1656–1658)
Infobox Military Conflict
conflict=Russo–Swedish War 1656-1661
1656- June 21 1661
Status quo ante bellum
Alexis of Russia
strength1=Finland: 2,230 in
In the end, 25,000 Swedish soldiers participated in the war.
strength2=Overall about 90,000 in the tsar's army, unknown number of direct participants
casualties2=more than 16,500 in the major battles [Isacson, Claes Göran (2002). "Karl X Gustavs krig" (en: "Charles X Gustav's war") . Historiska media. IBSN 9189442571. ] [ [http://www.smb.nu/svenskakrig/1656.asp Svenskt militärhistoriskt bibliotek (en: "Swedish historical military library"): "Karl X Gustavs ryska krig 1656-1661"] ] The Russo-Swedish War of 1656–1658 was fought by
Russiaand Swedenagainst the background of the simultaneous Northern Warsand the War for Ukraine. Despite initial successes, Tsar Alexis of Russiafailed to secure his principal objective — to revise the Treaty of Stolbovo, which had stripped Russia of the Baltic coast at the close of the Ingrian War.
Charles X of Swedeninvaded Poland, captured Warsawand announced his claims on the Russian conquests in the orbit of the Grand Duchy of Lithuania, Afanasy Ordin-Nashchokin(who led Russian diplomacy at the time) decided it was an opportune time to suspend hostilities against the weakened Polish-Lithuanian Commonwealthand to attack the rear of the Swedish Empireinstead. To that end he opened negotiations and concluded a truce with Poland in summer 1656(the Truce of Vilna(also known as the Truce of Niemież)), a move which enraged a major ally of Russia, Ukrainian hetman Bogdan Khmelnytskywho maintained good relations with Sweden and was fighting against Poland.
In July, a reserve force of the Russian army struck across Swedish
Ingriaand overran two key Baltic fortresses — Nöteborgand Nyen. A separate detachment advanced on Tartu, which fell in October. The main forces marched along the bank of the Western Dvinatowards Riga, taking Daugavpilsand Kokneseon their way. By the end of August, the capital of Livoniawas besieged and bombarded.
As Russia had no full-fledged
navyto intercept reinforcements coming to the Swedish garrison across the Baltic, Riga managed to hold out until October, when foreign officers commanding a small Russian flotilla defected to the other side and the Russians had to lift the siege. In the aftermath of this reverse, the Swedes recaptured much of Ingria, took the Pskov Monastery of the Caves and inflicted a heavy defeat on the Russian general Matvey Sheremetevat Valga in 1657.
By the end of 1658,
Denmarkwas knocked out of the Northern Wars and the Ukrainian Cossacks under Khmelnytskyi's successor, Ivan Vyhovsky, allied themselves with Poland, changing the international situation drastically and inducing the tsar to resume the war against Poland as soon as possible. Under such circumstances, it was necessary to bring the Swedish adventure to a speedy end. On 20 DecemberOrdin-Nashchokin negotiated with Sweden the Treaty of Valiesar, whereby Russia was allowed to keep the conquered territories in present-day Latviaand Estonia— Koknese, Aluksne, Tartu, Syrensk — for three years.
When the term expired, Russia's military position in the Polish war had deteriorated to such a point that the tsar could not allow himself to be involved into a new conflict against powerful Sweden. His boyars had no other choice but to sign in
1661the Treaty of Kardis, which obliged Russia to yield its Livonian and Ingrian conquests to Sweden, confirming the provisions of the Treaty of Stolbovo. This settlement was observed until the Great Northern Warbroke out in 1700.
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