Russia maintained forces in northern Persia.

Contact was limited to skirmishes on the border of northern Persia.

The 6th Division arrived as a reinforcement in northern Persia.

Zarathustra belonged to a pastoral tribe in northern Persia.

Russian post offices operated in 1908-18 in northern Persia using stamps of Russia.

Thus fahlaviyat include poems composed in the former Iranian dialects of western, central, and northern Persia.

The first recording about it was done by Marco Polo, somewhere in the wastelands of northern Persia.

Former supporters of the Abbasids had broken away to create a separate kingdom around Khorosan in northern Persia.

It was one of halting places along the trade route between northern Persia and Georgia.

Others maintain that their center was the city of Ray (Rhages) in northern Persia.