The Cannon Ball in Gamla Stan is a historical landmark located in the old town of Stockholm, Sweden. This unique feature is embedded in the wall of a building and is a remnant from the 18th century. The cannonball is believed to have been fired during the Great Northern War, specifically during the siege of Stockholm in 1719, when Russian forces attacked the city.
The landmark serves as a reminder of the historical conflicts that shaped the region and offers insight into Stockholm's past. Gamla Stan itself is known for its well-preserved medieval architecture and cobblestone streets, making it a significant area for both locals and tourists interested in the history of the city. The Cannon Ball is one of many points of interest in this historic district, contributing to the narrative of Stockholm's development over the centuries.