On a day of remembrance, a new threat arises, shedding light on old mysteries.

This follows Two Pair by about 700 years, but is not a very similar story, and reading Two Pair is not necessary to understand Sparkle Day.

Thanks to Themaskedferret, Nekonyancer, Avox, Horizon, MeridianPrime, and Yamgoth for prereading.
Thanks to Page Turner for cover art.

Certain alicorns have no regard for the rules of space and time. An astral sub-dimension becomes a potent weapon in what appears to be a divine prank war. Shining Armor hits the sauce.

Written for this contest thinger.