How was Ponyville rebuilt after it was destroyed in Swarm of the Century?
What does it entail to be an alicorn?
What does it entail to be a princess?
How are mayors elected?
If Prince Blueblood was Celestia’s nephew, which of Celestia’s sisters was it who got him then?
How old is Granny Smith?
Why did it take Rainbow Dash three tries to join the Wonderbolts, despite passing their tests on all occasions?
How did Celestia and Luna rise to power? Journal of the Sisters, by now non-canon, states the concept of two mighty leaders was an idea to unite Equestria a lot better. Why did Lauren Faust leave the show? Claims to have left because of poor working conditions and limited assistance from Hasbro.
Why did no one use the Golden Oak Library?
How come they have monochrome movie rolls, but not radio?
Why did the Apple family refuse to saturate Ponyville’s cider demand before Flim and Flam arrived?
Why did Twilight Sparkle refuse to tell her friends about her brother for two seasons?
Why was Cadence, already a princess by then, set to kidsit Twilight Sparkle?
Why is the high school that is modelled on Ponyville, called Canterlot High?
What does a cutie mark entail?
What would it have meant if Pinkie Pie had been unable to endure the paint test in Too Many Pinkie Pies?
What has it meant for Ponyville, that spring had arrived late three years in a row at one point?
How does the bit currency work? Do they have multi-bit coins/notes, and how much would everyday items cost?
How did Starswirl the Bearded live? Still non-canon, Journal of the Sisters say he was a time-traveller or something of that sort, and who proposed the concept of two mighty leaders as seen above.
If anyone anywhere out there, can give straight answers to the remaining 17 questions, I could consider becoming a brony once again. Keep in mind that fanon, fanfics and theories do not count; I’m talking about canonical or editorial answers here.