The Siege of Zamo began on February 25, 1656 and the invaders withdrew on March 1.
On February 25, 1656, Swedish troops appeared at the gates of the stronghold. Within a few days, Charles X Gustav realized that capturing Zamosc, whose fortifications had been strengthened since 1648, was impossible, and on March 1, the invaders withdrew. 
February 25  March 1, 1656 
