What to know about the relationship between Russia and Iran: ...

Russia and Iran plan to sign a new 20-year treaty, and it is missing a key element in its territorial integrity clause: ...

Russia and Iran fought wars in the 18th and 19th centuries, with the Russian Empire capturing broad territories in the Caucasus and the Caspian region previously controlled by Persian rulers.

Historic rivals become allies Russia and Iran fought wars in the 18th and 19th centuries, with the Russian Empire capturing broad territories in the Caucasus and the Caspian region previously ...

Historic rivals become allies Russia and Iran fought wars in the 18th and 19th centuries, with the Russian Empire capturing broad territories in the Caucasus and the Caspian region previously ...