![Explosive cannonball with a delayed fuse. Korea, invented during the imjin war period of Josun kingdom(1592~1910). It contains sharp iron shards inside in order to make grenade-like effect. More info in the Explosive cannonball with a delayed fuse. Korea, invented during the imjin war period of Josun kingdom(1592~1910). It contains sharp iron shards inside in order to make grenade-like effect. More info in the](https://i.redd.it/qklo3pnkdwu81.jpg)
Explosive cannonball with a delayed fuse. Korea, invented during the imjin war period of Josun kingdom(1592~1910). It contains sharp iron shards inside in order to make grenade-like effect. More info in the
Civil War-era cannonballs demolished at National Guard's Fort Indiantown Gap > National Guard > Guard News - The National Guard
![Do cannonballs explode in flaming fashion as depicted in “Pirates of the Caribbean?” - The Straight Dope Do cannonballs explode in flaming fashion as depicted in “Pirates of the Caribbean?” - The Straight Dope](https://cst.brightspotcdn.com/dims4/default/aba86a9/2147483647/strip/true/crop/300x217+0+0/resize/840x608!/quality/90/?url=https%3A%2F%2Fcdn.vox-cdn.com%2Fthumbor%2FU6I9vl86Y07ytCI0fI2qpNDiaAk%3D%2F0x0%3A300x217%2F300x217%2Ffilters%3Afocal%28150x108%3A151x109%29%3Ano_upscale%28%29%2Fcdn.vox-cdn.com%2Fuploads%2Fchorus_asset%2Ffile%2F20536275%2F040423.gif)