Unfortunately no single person would ever have the ability to prevent WW1 or WW2. As bad as those 2 events were, they helped shape the world we live in. I wouldn't change much history unless I lived and understood the events going on at that time. How do we know what was best at the time. Most of our ideas have been influenced through the opinions of teachers and biased media. If you want to change the past, you must live in it to understand it first.

Hitler was a piece of shit!