Shortly after not only travel through time, but also between worlds was discovered in the 26th Century, it was surmised that certain events could be changed without damage to the timeline. Instead just creating a parallel reality. With some experimentation, this was proven. Time Can Be Changed
So somehow I ended up in this place and not the place where I was going. Then someone tells me we're supposed to be changing history. Anybody got any ideas about how that is supposed to happen?