"Instead, the Wanderer spread the gift of art and music to all, for she did not see three nations or three tribes to lord over, but a single family.

For thousands of years, while the other Alicorns built their nations and cities, or crushed lingering evils and monsters, the Wanderer travelled her new home and visited the ponies and their foals. She sang to them and taught them what it meant to not just live in peace, but to live in harmony."

https://www.fimfiction.net/story/486298/mlp-the-song-of-seven