Categories All About Guns Forgotten History: World's Biggest Black Powder Cannon – a 100-Ton Gun Post author By Grumpy Post date October 22, 2018 No Comments on Forgotten History: World's Biggest Black Powder Cannon – a 100-Ton Gun ← Colt Lawman MkIII .357 Magnum nickel → The Kentucky Assault Pistol Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ