Earth is the only planet in this galaxy with an evolved sentient species that can be studied. That is why I am here. It's been 11,161 years since I landed in what is now called Europe, and I have been stuck here ever since. I was not assigned to be here for eleven thousand years...I am stranded. My current situation relates to a space-time problem...one I created out of my own stupidity. Over the eleven thousand years I've been here, 417 people have attempted to inflict their will on the Earth...in human terms, rule the world. So at a few points in human history, I've had to help...