Second Northern War

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Second Northern War
Part of Northern Wars

From left to right:
DateJune 1655 – 23 April 1660
Location
Result Swedish victory against Denmark-Norway
Swedish victory against the Tsardom of Russia[2]
Disputed result between Sweden and Poland–Lithuania
Dutch victory in North America
Full results
Territorial
changes
Belligerents
Swedish Empire Swedish Empire
Brandenburg Brandenburg-Prussia (1656–57)
Transylvania Principality of Transylvania
Ukrainian Cossacks (1657)[1]
 Wallachia
Moldavia Moldavia
Susquehannock (1655)
Swedish Lithuania (1655–57)[a]
Polish–Lithuanian Commonwealth Polish–Lithuanian Commonwealth
Denmark–Norway Denmark–Norway (from 1657)
 Habsburg Monarchy
Tsardom of Russia Tsardom of Russia (1656–58)
Crimean Khanate
Brandenburg Brandenburg-Prussia (1655–56, 1657–60)
Duchy of Courland (1656–58)
 Dutch Republic
Commanders and leaders

Col. Anton Zhdanovich Wallachia Constantin Șerban
Wallachia Mihnea al III-lea Radu
1658

Moldavia Gheorghe Ștefan
Casualties and losses
70,000 Swedes died[4][b]

The Second Northern War (1655–60), (also First or Little Northern War) was fought between

1658–60). The Dutch Republic waged an informal trade war against Sweden and seized the colony of New Sweden
in 1655, but was not a recognized part of the Polish–Danish alliance.

In 1655,

declared war on Sweden and pushed into Lithuania and Swedish Livonia
.

Charles X Gustav then granted Frederick William

.

Frederick III's war on Sweden gave Charles X Gustav a reason to abandon the Polish–Lithuanian deadlock and fight Denmark instead. After marching his army to the west and making a

dangerous crossing of the frozen straits in the winter of 1657/58, he surprised the unprepared Frederick III on the Danish isles and forced him into surrender. In the Treaty of Roskilde, Denmark had to abandon all Danish provinces in what is now Southern Sweden. The anti-Swedish allies meanwhile neutralized the Transylvanian army and Polish forces ravaged Swedish Pomerania
.

In 1658 Charles X Gustav decided that instead of returning to the remaining Swedish strongholds in Poland–Lithuania, he would rather attack Denmark again. This time, Denmark withstood the attack and the anti-Swedish allies pursued Charles X Gustav to Jutland and Swedish Pomerania. Throughout 1659, Sweden was defending her strongholds in Denmark and on the southern Baltic shore, while little was gained by the allies and a peace was negotiated. When Charles X Gustav died in February 1660, his successor settled for the Treaty of Oliva with Poland–Lithuania, the Habsburgs and Brandenburg in April and the Treaty of Copenhagen with Denmark in May. Sweden was to keep most of her gains from Roskilde, the Duchy of Prussia became a sovereign state, and otherwise, the parties largely returned to the status quo ante bellum. Sweden had already concluded a truce with Russia in 1658, which gave way to a final settlement in the Treaty of Cardis in 1661.

Terminology

In English language, German, Russian and Scandinavian historiography, these conflicts were traditionally referred to as

"The Deluge" is also ambiguous, as it is sometimes used for a broader series of wars against Sweden, Brandenburg, Russia, Transylvania and the Cossacks
.

Prelude

In 1648, the

Polish–Swedish War (1626–29), which was concluded by the repeatedly renewed truce (Altmark, Stuhmsdorf).[8]
In 1651, an unsuccessful congress was organised in Lübeck to mediate peace talks between Sweden and Poland-Lithuania.

John II Casimir Vasa of Poland

On the other hand, the Commonwealth, under king

Janusz Radziwiłł and feuds among disagreeing sejmiks who had been able to stall each other's ambitions with the liberum veto since 1652. As a consequence, the Commonwealth lacked a sufficient defense.[9]

In January 1654, the anti-Polish

Halychyna
which soon turned back due to mutiny within its ranks. The leader of the Hetmanate did not participate in the actions due to poor health conditions.

Sweden, at that time an expansionist empire with an army designed to be maintained by the revenues of occupied territory, was conscious that a direct attack on her main adversary Russia could well result in a Dano-Polish–Russian alliance. Also, Sweden was prevented from forming a Swedish–Polish alliance by the refusal of John II Casimir to drop his claims to the Swedish crown and the unwillingness of the Polish–Lithuanian nobility to make the territorial and political concessions an alliance with Sweden would eventually cost,[13][14] final negotiations in Lübeck during February 1655 ended without a result.[14] Thus, Sweden opted for a preemptive attack on the Polish–Lithuanian Commonwealth to occupy its yet available territories before the Russians.[15]

Swedish campaigns in the Polish–Lithuanian Commonwealth

Swedish forces entered Poland–Lithuania from

Dünaburg with them on 12 July.[16]

On the western front, Wittenberg was opposed by a Polish levy of 13,000 and an additional 1,400 peasant infantry. Aware of the military superiority of the well-trained Swedish army, the nobles of Greater Poland surrendered to Wittenberg on 25 July in Ujście after the Battle of Ujście, and then pledged loyalty to the Swedish king. Wittenberg established a garrison in Poznań (Posen).[16]

On the northern front,

Prince Radziwiłł (left) and Hetman Lubomirski
(right)