An evil, despotic ruler orders all persons of your Race, birthplace, and approximate age put to death. As far as you know, you are the only one to escape this heinous act. (work with your DM to determine details)
Get out of jail free. A magnanimous ruler pardons all prisoners. If the character, or his friends or relatives are in prison, they are set free with an admonition to "Sin no more."
In adult life you gain a rival who seeks to undo your character, they will attempt to hinder your efforts until they get what they want. (work with your DM to determine details)