It was mainly signed due to Swedish exhaustion after the loss of Finland to Russia in the Finnish War, and its leaders wanted to restore pre-war borders with Denmark–Norway.
[2] After the coup d'état of Gustav IV on March 7, 1809, Swedish leadership no longer had any desire to continue the ongoing war with Denmark, as it had also recently lost Finland to Russia in the Treaty of Fredrikshamn.
[3] After the negotiations were over, a closing ball took place, which was very lavish, with one eyewitness account claiming it was:[3] one of the most splendid parties ever held in Jönköping.
The grand apartment was richly illuminated, soldiers paraded on the stairs and outside, fanfares resounded from the regimental band, alternating with those graceful dances whose enchanting music we still admire today.
Uniforms shone, decorations glittered, and at the supper, arranged by one of the court's master chefs, the silverware brought from Stockholm sparkled.