Treaty of Kėdainiai

The Treaty of Kėdainiai or Kiejdany^[1] (Lithuanian: Kėdainių sutartis, Josvainių aktas;^[2] Swedish: Fördraget i Kėdainiai), signed on 17 August 1655, was a Swedish–Lithuanian agreement during the Second Northern War.^[1] After the Polish forces had been decisively defeated in the Battle of Ujście in which the Poznań and Kalisz palatines surrendered to Sweden, Lithuanian hetman Janusz Radziwiłł decided to discontinue the war.^[1] In Kėdainiai, he accepted Swedish protection.^[1]

Treaty of Kėdainiai (Kiejdany)

Type	Legal status of the Grand Duchy of Lithuania
Signed	17 August 1655 (1655-08-17)
Location	Kėdainiai, Lithuania
Signatories	Charles X Gustav of Sweden Janusz II Radziwiłł
Parties	Swedish Empire  Grand Duchy of Lithuania

The treaty specified also that the Polish–Lithuanian Commonwealth was not dissolved and that Lithuanian forces would not fight Polish forces, but the text of the treaty included protests of the lack of Polish support.^[1] On 20 October, the treaty was superseded by the Union of Kėdainiai, which united the Grand Duchy of Lithuania with the Swedish Empire.^[1]

References

1. Frost, Robert I (2000). The Northern Wars. War, State and Society in Northeastern Europe 1558-1721. Harlow: Longman. p. 168. ISBN 978-0-582-06429-4.
2. Praleika, A. Kėdainių unija – nevykusi LDK ir Švedijos santuoka [Union of Kėdainiai — a failed marriage between GDL and Sweden] (in Lithuanian). Alfa.lt. Archived from the original on 11 September 2019. Retrieved on 11 April 2023.