"Blackbird singing in the dead of night
Take these broken wings and learn to fly
All your life, you were only waiting for this moment to arrive
Blackbird fly, blackbird fly, Into the light of the dark black night..." Lennon & McCartney

In its earliest days, when Equestria was first founded the three Tribes didn't exactly get along. There was jealousy throughout the kingdom. The Great Houses of the Unicorns were less than pleased at having to invite the militaristic Pegasi and common Earth Ponies to the Grand Council. Then the Plague began to decimate the Pegasi and all three tribes were forced to come together to find a cure. It was of little concern to our Princess of the Night. Luna was as beautiful then as she is now, though far more petulant and haughty. She had quite a temper and she was quite a handful and always got what she wanted. Quite simply because there was nopony on earth that would dare try to stop her...