On her way to her parent's house one cold Hearth's Warming Eve Twilight Sparkle disappears. From Canterlot, from Ponyville and from the looks of it, Equestria. Her friends and family are worried for her but unknown to them she has been thrown back almost a thousand years for unknown reasons. As she tries to figure out how and why she sent there her time in the past begins to change and shape the future.
Twilight and her friends will have to work together to get her home.
This was planned almost completely at the end of season 3 so lots of newer canon history is ignored. Thus the beginning of this fic also set soon after season 3.
Slow burn Twilight/Celestia and background slow burn Pinkie/Luna. Other ships are as of right now undecided.