The following is an incomplete list of historical dynasties which were at some time Iranian or the country they ruled were Iranian-speaking and of modern countries with significant Iranian populations or with an official Iranian language. The Iranians comprise the Persians, Medes, Scythians, Kurds, Bactrians, Pashtuns, Tajiks, Baloch, Parthians, Sarmatians, Alans, Ossetians, Cimerians, and much more.