Chaharshanbe Suri in capital

This heavy gun, which was cast by the foundry-man Ismāil Isfahāni in 1800, under the reign of Fath-Ali Shah of the Qajar dynasty, became the focus of many popular myths. Until the 1920s, it stood in Arg Square , to which the people of capital used to flock on the occasion of Charshanbe Suri.