Updated April 09, 2016. The Royal Road of the Achaemenids was a major intercontinental thoroughfare built by the Achaemenid king Darius the Great (521-485 BC), to allow access to the conquered cities throughout the Persian empire. It is also, ironically enough, the same road that Alexander the Great used to conquer the Achaemenid dynasty a century and a half later.
Adult Certification (ages 16 and up) Minnesota requires snowmobile certification by law for anyone born after December 31, 1976. Adult snowmobile safety certification is for snowmobile operators age 16 and over. Complete one of the online courses: snowmobile-ed.com (fee for the course is $29.50) or.
General Age Guidelines: Airline rules vary, but here's a good idea of what to expect on domestic flights: Children ages 1 - 4 may fly only when accompanied by an adult. A child must be at least 5 to fly alone. Kids ages 5 - 8 can take a direct flight to a single destination but not connecting flights. Those over 8 may change aircraft. If they're ages 8 - 11, they will be escorted by airline personnel to their connecting flight. A significant extra charge for this service is likely.