Throughout the tapestry of stories that makes up human history, near misses and close calls have both threatened our existence and pushed us in directions few could imagine. We've survived natural disasters, diseases, dictators, rush hour traffic and have come out okay considering the circumstances. These brushes with death or destruction have come from all directions as black swan events and completely predictable occurrences brought on by us or fate. Nevertheless, historical close calls always leave a lasting impact. Sometimes literally!