North Korea fires artillery into the sea near the disputed maritime border, as part of a "military drill".
Before and during World War I, the only way to effectively fire artillery was plotting points on a plane.
Later, the Iraqis fired artillery at the Americans.
And two days later the fort fired artillery into the town of Keowee.
Three days later, North Korea continued to fire artillery towards the area.
Soldiers fired rifles and artillery until no one was left standing.
In Baghdad on Tuesday night, the military said it had fired heavy artillery at a suspected insurgent position.
They range from opportunities to fire antibiotic artillery to a virtual reality game in which you try to block zooming germs.
Intentional explosions are caused when armies fire artillery or when military air forces drop bombs during a war.
Participants fire artillery and muskets loaded only with gunpowder at each other.