This is the first time the Golden Oak Library is mentioned by name outside of merchandise and source material.
Friendship Report: Twilight and the ponies learned what makes a home truly feel like home is all the memories they make.
Two of the gems in the new tree stump chandelier show moments from Twilight's "Welcome to Ponyville" party in "Friendship is Magic, part 1", and the Mane Six, Spike, and Celestia together in the donut shop in "The Best Night Ever".