This is a list of the costliest or deadliest hailstorms on record. Two of the five deadliest tornadoes in U.S. history have occurred in the state. Many of the deadliest battles in history occurred during World WarI. The shootings remain one of the deadliest firearms incidents in British history. It remains the deadliest tropical cyclone ever recorded and one of the deadliest natural disasters. It was one of the deadliest natural disasters ever recorded. It was one of the deadliest pandemics in human history. These floods include some of the deadliest natural disasters ever recorded. It remains the deadliest war in American history. His modern-day reputation is that of the Old West's toughest and deadliest gunman. Historians regard the Mongol devastation as one of the deadliest episodes in history. Some of the deadliest typhoons in history have struck China. It was the deadliest and most destructive fire in California history. Reuters news agency included the attack in its list of deadliest attacks in 2011. The Tupelo Tornado is recognized as one of the deadliest in U.S. history.