Possible Clues:

• Flight from danger
• Exodus
• Muhammad's flight
• Mecca-to-Medina flight
• Take the flight to Medina for this
• The flight of the illegal organisation, for instance, at last
• The flight of Muhammad from Mecca in AD 622, from which Muslim era is measured
• How the illegal organisation got to the end of the flight for a profit, by the sound of it
• Hear about an american serviceman going on a journey for a prophet?
• Flight of Mohammed from Mecca to Medina in 622AD