During a naval battle with Brazil, an Uruguayan ship ran out of cannonballs. The commander of the vessel hit upon a novel weapon: stale Dutch cheese. The captain ordered that the cannon be loaded with cheese. <br><br>When they opened fire again, the first two cheeses went over the target, but they were third time lucky when the next one sailed right into the main mast of the enemy ship, shattering it to the extent that two sailors were killed by cheese shrapnel.