The nuclear mess of 1968 happened when some rouge scientists decided to make a nuke to hit any city. The reason they went rouge was because their average income was one Prussian dollar. They worked day and night to accomplish this task. They eventually managed to make one in 1969. Soon enough they attempted to launch it. It exploded right on the spot. The reason? No one knows. Since then the small city of Kammurbus has had sever radiation since. And that is the reason why we have a nuclear symbol on our flag. And if you would like to know about the flag symbols read my factbook overview-flag symbols