I like if you take a look. it's not finished yet but I put little about it here.
https://www.fimfiction.net/story/353158/past-generations

Rainbow dash go back in time and saw her pervious generations. twilight decided to go back in time too, to find rainbow dash! instead of going one thousand years ago she went to five hundred years ago.

I only wrote 2 chapters but It's gonna be 14 chapters .
Wait until I finish it .
Thanks .....