On May 18, 1995, Army veteran Shawn Nelson drove into a California Army National Guard armory and drove out in an M60 Patton tank. Destroying everything in his path, Nelson led San Diego police on a 23-minute chase, during which time officials considered calling in U.S. Marine attack helicopters. However, the tank became stuck as Nelson attempte

In 1980, the state of Washington experienced North America's largest volcanic eruption of nearly a century when Mount St. Helens erupted on May 18. Luckily, the mountain had been closed at the urging of the USGS, so when an early morning earthquake triggered the volcano, thousands of lives were spared. Still, 57 people and numerous animals were