The Tsar Cannon is a large medieval artillery piece on display on the grounds of the Moscow Kremlin, just past the Kremlin Armory. It is a monument of Russian artillery casting art, cast in bronze in 1586 in Moscow, by the Russian master bronze caster Andrey Chokhov. Mostly of symbolic impact, it was never used in a war. Per the Guinness Book of Records it is the largest bombard by caliber in the world. The very low ratio of the length of its barrel to its caliber makes it technically not a cannon, but a stylized mortar.
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