Equestria is fighting her first World War after the 2nd Industrial revolution. She hasn't fought a war in a while. Before his death, Discord enlists the help of several creatures that are all too familiar with the concept.
On a research mission to Earth, Twilight and Fluttershy are dragged into an international conspiracy. A historic discovery gone very wrong, they fight for survival against humanity and dinosauria alike. [TLW: Jurassic Park crossover]
Starswirl's last spell swapped the destinies of the bearers of the Elements of Harmony. Now, over a thousand years later, the spell is reversed by Twilight Sparkle.
An AC-130 traveling through the Bermuda Triangle is transported to Equestria. How will the inhabitants of this world view this strange metal contraption. More importantly the occupants within.
Set 30 years before the founding of Dawnpick, Shadytrails is a newly-established trading outpost run by the Prestigious Confederation, one of the few merchant guilds spanning the gaps between civilizations.
Twilight’s trip to Earth and friendship with the humans brings new friends and enemies to her peaceful world. With the specter of war hanging over them, Equestria will have to form an alliance like no other to fight the menace from the void.
Once, a kingdom of humans existed not very far from Equestria. But after a reign of two-hundred years, they were banished by the alicorns, deemed evil. Millennia later, Twilight Sparkle wishes to learn more of the once great, Silver People.