The Siege of Kraków in 1655 was a military conflict between the Polish-Lithuanian Commonwealth and the Swedish Empire. The siege began on June 7, 1655, when the Swedish army, led by King Charles X Gustav, laid siege to the city of Krak
From Wikipedia
The siege of Kraków was one of the battles during the Swedish invasion of Polish–Lithuanian Commonwealth. Lasting for two and a half weeks, it started on September 25 and ended on October 13, 1655. The capitulation treaty was signed on October 17, and Polish troops marched out of the city two days later. The city's defense was led by Kiev's castellan Stefan Czarniecki, while Swedish forces were commanded by King Charles Gustav and Arvid Wittenberg.