Everyone loves Celestia, and they do not all love Luna. This is because Luna was once evil.

Celestia does not think that is fair, but she has a plan. If she turns evil and her sister saves the day, then ponies will give Luna all the love and attention she deserves!

All Celestia has to do is become evil... but come on, how hard can it be?

The world has died and is nothing more than ash and dust. The land of Equestria is a far off memory along with those who once inhabited it. Wandering the empty land is the sole survivor of the cataclysm that brought about the death of the world. Yet this sole survivor is also the harbinger of the world's death. In the final moments of the last living thing in the world, the story of how the world died is told. One of many ways the story could be told and one of many ways it could end. This is the day the sun set for the last time.

Season 5 Wasteland Timeline; No spoilers

Luna's never understood this "Prince Blueblood" since the day she met him after returning to Equestria from the moon. She knows they aren't blood related, so how in Equestria did he come to be named a prince? One night, Luna has had enough of him and demands that Celestia explain why she keeps him around. Luna wasn't expecting Celestia's response.

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No pony can hold onto their magic forever. Inevitably, a pony's body will be broken, and their magic will return to the air and soil. Celestia has held onto her magic for a very long time.

After many long years of preparation, the time for Twilight to succeed Celestia as Bearer of the Sun has come. But as the abdication ceremony in which Celestia will relinquish her power approaches, Twilight begins to desperately search for a way to stop the dread ritual of the ceremony and save her friend.

To satisfy his boredom, Discord conjured some unruly creatures and set them loose on Equestria. It’s time for some chaos, one that nopony is prepared for. 
 
I don’t own anything. My Little Pony: Friendship is Magic and Goat Simulator belong to their respective owners. 

An anthology of flashfic commissions to support the Afya Foundation in delivering medical supplies to Ukraine.

If you'd like your own, my blog on the subject is here.

In 1939, at the beginning of World War II, Princess Celestia closes the German Embassy and exiles the German ambassador and his staff back to the human world after a group of ponies are found murdered at the edge of the Everfree Forest.

Author's note: This is my first attempt at writing a World War II fanfic involving "My Little Pony." Helpful feedback is greatly appreciated.

Twilight's curiosity gets the better of her when she is doing some late night reading. She is looking for topics on ancient Equestrian history, the reason mainly being because the topic is not well known, and she is about to find out why.

Long ago, Equestria, before it was even called that, was a dark and twisted land, filled with much war and horrors, and Twilight wants to see exactly what it was like, even at the risk of her own innocence.

She comes to Princess Celestia with an inquiry on the subject, and she complies...

War is ruin, predicted and then remembered as glory.

The Changelings and their vengeance-mad Queen grow ravenous in the south. Nations all around gaze hungrily at Equestria. In the north, beyond the Crystal Mountains, an unfathomable menace sends even the fiercest Diamond Dog packs fleeing before it. In Canterlot, a capricious Prince lusts for absolute power.

Against it all, Equestria stands toothless. Fearful for his country and thirsty for vengeance against Queen Chrysalis, Shining Armor desperately tries to convince Princess Celestia of the need for an Equestrian Army. Yet even as plans are made to march against the Changelings, the means for his triumph may have been delivered into the hooves of Prince Blueblood, who will risk everything to seize the crown he deems rightfully his.

Map
Royal Equestrian Army order of battle