Awhile ago, we told you about 10 Devastating Nuclear Events and Accidents. Included was the story of Stanislav Petrov, the man who single-handedly saved humanity from nuclear annihilation on September 26, 1983. In a very short time frame, the fate of the world was saved by Petrov’s quick thinking. History is littered with these singular world-changing events. American history is no different, and there are many incidents that could have drastically changed, or even destroyed, America…