After the Hearth's Warming Eve pageant, Twilight finds a note left by Princess Celestia that reveals the truth behind the historical event which would lead to the founding of Equestria. From the Alicorn sisters' involvement with the pony tribes to the resolution of the great blizzards, it turns out there was a lot that had been conveniently written out over the generations...

Rated for sexual themes and brief detailed clop in the 2nd chapter. Triggers: Semi-NC / Interspecies ("beast").

Adapted for the My Little Fetish group's Dog Days of Summer contest.