It's everyone's favorite "What if?" and "If you could go back in time" answer: killing Hitler. We all wish we could eradicate Hitler before he could order the murder of millions of people. But during his reign of terror in Nazi Germany, there were more than 40 attempts on Hitler's life, all of them obviously unsuccessful. What if one of them had worked?
Because most would-be assassins attempt to plan their deed around their victim's schedule, Hitler's personal policy was to live his life "irregularly." He would routinely avoid routine, often canceling plans at the last moment