Iran but not with the United States, and not with Israel—a state which Iran's government has derecognized since the 1979 Revolution. Among Muslim nations, Iran has severe relationship with Saudi Arabia due to different political and Islamic ideologies while Iran is a Shia Islamic Republic and Saudi is a conservative Sunni monarchy. Regarding the Israeli–Palestinian conflict, the government of Iran has recognized Jerusalem as the capital of the State of Palestine, after Trump recognized Jerusalem as the capital of Israel. On 14 July 2015, Tehran and the P5+1 came to a historic agreement ("Joint Comprehensive Plan of Action") to end economic
Iran–Turkey relations and Smyrna in western Anatolia. Igdir Province in what is Eastern Anatolia formed in fact part of Qajar Iran up to the outcome of the Russo-Persian War (1826-1828) and the ratified Treaty of Turkmenchay. Various empires based in what is now Turkey made inroads into what is now Iran, such as by the Byzantine Empire, and the Ottoman Empire. Iran's second major ethnic group is Azerbaijani which is a Turkic people, there also other Turkic peoples in Iran such as Turkmens and Qashqai people. Turks and Iranians share a common cultural heritage, known as the Turko-Persian tradition, which was a