The Dardanelles Gun is a large cannon that was built in the 15th century by the Ottoman Empire. It was designed to defend the strategic Dardanelles Strait, a key waterway connecting the Aegean Sea to the Sea of Marmara. The gun was notable for its impressive size and firepower, capable of firing heavy projectiles over long distances. Constructed by the famous engineer Urban, the Dardanelles Gun was made of bronze and measured about 8 meters in length. It played a significant role during the Ottoman Empire's military campaigns, particularly during the conquest of Constantinople in 1453. Today, it stands as a historical artifact, showcasing the advancements in artillery technology of its time.