"It's... After Founding, after the founding of Equestria," Twilight said, honestly surprised there was anypony who lacked that basic information. She guessed that some of her surprise must have shown through, because Sunflower just said a meek "Oh" and sunk her head back down on her bench, looking embarrassed. She kicked herself for that. Obviously, the earth pony had led a very sheltered life in whatever backwater village she came from, and her education had suffered greatly. 